Difficult gmat maths problemsPekerjaan

...most popular brand/brand in the contemporary banana chips category in Indonesia, first marketed in 2013, until now it has been enjoyed by consumers spread across Indonesia, Singapore, Malaysia, China, Hong Kong, Brunei, Korea. Although our products have been tried by millions of consumers, their availability is not evenly distributed in the market (stores). Our products are still relatively difficult to find. Based on this, we need distribution partners who have the same values ​​and passion to make consumers happy, create jobs, improve the lives of employees, through distribution/sales of Zanana Chips products. We will expand and cooperate with distributors to market and distribute our products in the top 50 cities of Indonesia with the largest population (check wikiped...

Kami dari Yayasan Transformasi kebijakan publik indonesia sedang membutuhkan jasa it support/maintenance. Kebutuhan Transformasi adalah untuk mengatasi masalah2 dan maintenance dibawah: 1. Troublesh...freelancer jika sewaktu waktu ada permasalahan mengenai IT di kantor dan dapat di hubungi dengan cepat. Terimakasih ___ We from the Foundation Transformation of Indonesian public policy is in need of it support / maintenance services. Transformation Needs is to solve problems and maintenance under: 1. Troubleshooting peralatan IT (laptop/desktop/printer) 2. Network 3. Website with joomla + website server 4. Email server We need the services of freelancers if at any time there are problems regarding IT in the office and can be contacted quic...

I can be a listener and give a good solution, untu issues of life, family and others. I can give you tips on learning problems, improve performance in the conduct of jobs that you live/ saya bisa menjadi pendengar dan memberikan solusi yang baik, untu masalah kehidupan, keluarga dan yang lainya. saya bisa memberikan tips masalah belajar, meningkatkan kinerja ada dalam melakukan pekerjaaan yang kalian jalani

• Assist in data collection study materials • Conduct a literature study on the Creative Economy and creative industry sub-sectors • Coordinate with the Project Manager (PM), study team and other parties concerned • Understand the study and help resolve the problems faced • Perform the minutes of each meeting are made • Write reports of the discussions held during the project • Assist PM in distributing the tasks evenly Study Team • Assist PM in ensuring the project runs according to the timeline and be completed on time

Help using the computer correctly and provide solutions when problems occur on a laptop / computer / Device

HELLO, I DEVELOP A WEBSITE: THE WEBSITE I DEVELOP IN GOOGLE CHROME. BUT WE HAVE FEW PROBLEM IN CROSS BROWSERS (SOME FEATURES ARE NOT PERFORMING CORRECTLY) FOR EXAMPLE, YOU CAN SEE SOME PROBLEMS IN FIREFOX AS PER ATTACHEMNTS ARE YOU FAMILIAR WITH APTANA ? OUR PROGRAMER USE APTANA. OUR FTP DETAIL: 1. dev_design@, password : Votemenot123, server : 2. dev_controller@, password : Votemenot123, server : 3. dev_view@, password : Votemenot123, server : AND WE USE FOR OUR TEMPORARY SITE.. BEFORE WE UPLOAD IT TO OUR ORIGINAL SITE: CAN YOU PELASE CHECK, AND SEE IF YOU CAN FIX THIS PROBLEM.. TAHNKS..

HELLO, I DEVELOP A WEBSITE: THE WEBSITE I DEVELOP IN GOOGLE CHROME. BUT WE HAVE FEW PROBLEM IN CROSS BROWSERS (SOME FEATURES ARE NOT PERFORMING CORRECTLY) FOR EXAMPLE, YOU CAN SEE SOME PROBLEMS IN FIREFOX AS PER ATTACHEMNTS ARE YOU FAMILIAR WITH APTANA ? OUR PROGRAMER USE APTANA. OUR FTP DETAIL: 1. dev_design@, password : Votemenot123, server : 2. dev_controller@, password : Votemenot123, server : 3. dev_view@, password : Votemenot123, server : AND WE USE FOR OUR TEMPORARY SITE.. BEFORE WE UPLOAD IT TO OUR ORIGINAL SITE: CAN YOU PELASE CHECK, AND SEE IF YOU CAN FIX THIS PROBLEM.. TAHNKS..

Solve the problems from 3.119 to 3.155 in Problem Set 3.3 in P.127 - 128 and 3.4 in P.139 - 141. Your assigned problems are the number 3.n ( n = odd number ) example 3.119, 3.121 ... . You don't have to make answers for the even numbered problems I attached for you the whole book (all chapters) and the chapter 3

...-Price from -Prices and offers for single/double/twin/Suite -Facilities -Booking Facilities -Catering Facilities -Children Facilities -Event Facilities -General Facilities -Leisure Facilities -Payment Facilities -Room Facilities -Service Facilities Please note that we are looking for low hourly rate. Full details will be disclosed via pm. Cheapest price will win as this is not difficult work and no skill level is needed. All the information is available for free on the internet websites, if you you had this kind of job before, to collect their full informations about HOTELS, from different public websites, now you just double check for update, just COPY and PASTE. PLEASE BID ONLY IF YOU HAVE ALREADY THESE INFORMATIONS ABOUT HOTELS IN EXCEL OR ANOTHER DOCUMEN...

... I need someone who has experience in academic writing in this domain (EEG data, Autism, Deep learning). I would like to see his/her some published papers in these or related domains before assigning/awarding this project. After this confirmation, I can share the details of my projects, only including fundamental methodology and comprehensive results. Thus, an expert can easily identify the problems, design the solution based on our method and results, and write an attractive storyline for the entire paper. If the writer needs some new results to complete his story, I would love to add new experiments and results. Therefore, I am looking a person who has experience in above domain. The ultimate goal is to publish this project/work in a high-impact journal. I also have a rich ex...

Hello, I'm looking for someone who could continue programming my iOS app and possibly fix any errors. This is actually a relatively simple app that shouldn't be very difficult to program. You don't have to do that much because the app is actually relatively simple. Key Responsibilities: - Addressing UI/UX, performance, and functional issues that may arise. - Implementing new features based on provided specifications. Ideal Freelancer: - Proven track record of iOS app development. - Proficiency in Swift and Xcode. - Experience with bug tracking tools. - Ability to translate user feedback into actionable development tasks.

I'm in need of a PowerApp expert to assist with the data input and validation aspects of my project. The data I'm working with is fairly simple, mainly consisting of text and numbers. ( required only technical support ...only technical support online) Key Responsibilities: - Implementing advanced data validation: This includes cross-field validation, custom business rules, pattern matching and range validation. Ideal Skills: - Strong PowerApps development experience. - Proficient understanding of data validation principles. - Ability to craft custom validation rules. - Ability to think creatively and solve problems effectively. This is a challenging project and I need someone with a high level of expertise in PowerApps to ensure the implementation of precise and effect...

Unfortunately, we don't have specific data about the project's goals, the required experience for the task, or the precise objectives. Despite this, we encourage driven, innovative minds with a bac...transportation to apply. In your application, please provide: - Examples of past work, particularly those relevant to energy or nuclear sectors. - Your specific skills and experiences related to this project's potential requirements. - A detailed proposal outlining your strategies, methods, and potential outcomes for improving existing tech, developing new technologies, or addressing particular problems in the field. We hope this challenge will engage freelancers who are ready to infuse their technical prowess and creativity into an uncharted project. Let's embark ...

As an Audi owner, I'm currently seeking a proficient car mechanic who specializes in engine maintenance and repair. The project involves a major repair on my Audi's engine. Essential Skills and Experience: - Specialist knowledge of Audi vehicles - Proven experience in engine repair - Ability to diagnose and solve complex engine problems - Excellent reliability and time management

As a client, I'm currently experiencing an unspecified "controller not found" bug in my Laravel application. Unfortunately, I haven't been able to determine any exact error messages, affected pages/routes, or recent application changes that could be related to the issue. I'm looking for an experienced Laravel developer wit...Laravel developer with the following skills: - Debugging and troubleshooting Laravel applications - Comprehensive understanding of Laravel controller structures My main goal is to have the current bug fixed efficiently and professionally. Don't hesitate to ask if you have any questions. Please include any similar Laravel bug fixing experiences in your proposal. Your ability to describe the possible problems based on the lack of sp...

I am seeking an expert in AWS servers, particularly in the problem-solving aspect of EC2 instances. Key tasks to be performed: - Diagnose the specific issues of the server - Suggest and implement suitable solutions to rectify the problems - Maintain and improve server performance Ideal Expertise and Skills: - Strong technical skills and deep understanding of AWS, specifically EC2 instances - Proven track record in handling server emergencies and solving server issues - Competence in developing and maintaining customer-focused, high-performance AWS infrastructure - Proficient with best practices in ensuring server security

Hello, I need a developer with a lot of experience in JavaSCRIPT EXPERT, Python and Socketweb - with the ability to create and solve problems with easy understanding of codes The rest of the details will be given to the correct developer

...query delays. The ideal candidate should have: - Proven experience in troubleshooting and improving WooCommerce site performance - Strong knowledge of server management, particularly VPS/Dedicated hosting - Expertise in database management and optimization - In-depth experience with caching plugins and techniques Please bid if you're capable of identifying the issues causing these performance problems and can provide robust solutions to enhance my WooCommerce site's speed and server performance....

...the header container (the hamburger and logo image touch each other).   Rules for the form: 1. All fields must be filled in (validation works) 2. autofill (doesn't work) 3. phone number in 10 digit format (check works) 4. The email input must follow the rules of RegEx for email validation and must be matched with the second email entered (does not work) 5. email again. But email passes without problems in the format sad@df and tyr@df, which is wrong 6. Enter your date of birth. The user must be 18+ (working) 7. Comments: at least 3 characters. 8. Check the box that you agree with our rules, Terms, etc. (works) If you have time, you can also check: Move the hamburger to the left, and move the logo to the right. They are in a container and I can't figure them ...

Hello, I need a developer with a lot of experience in Java, Python and Socketweb - with the ability to create and solve problems with easy understanding of codes The rest of the details will be given to the correct developer

I have previously worked code in and stored but it stopped working because readyPromise doesn't work and in that case, it can't load sequently and crashes. New Java stuff?? It doesn't recognize readyPromise with var/const only works as await. Async has problems too. Even without Crashing tilesets seem not to load both from ION and Private/Public Domain. Need to solve this ASAP. You need to download files and work within your Domain or IDE or any other way to work directly with CESIUM LIBRARY!!!!! Or I will give you my Domain FTP access to the project folder and you can Upload .js .html files and see RESULTS in this directory as it will load html and js: YOU HAVE TO WORK WITH CESIUM LIBRARY!!

I'm in the process of starting a new enterprise and want to launch an online test series product. This product will be similar to a GMAT test series product, providing questions for the test series. I don't have a domain name or hosting yet, so I'm looking for a coder who can handle both the site development and the product launch. Key requirements include: - Setting up a website for the test series product - Moderate customization with some unique features. I'm looking for something that stands out but isn't overly complex or expensive to maintain Ideal skills and experience: - Proficiency in web development, particularly site launching and product integration. - Experience in creating and launching online test series products would be a significant advan...

urgent php laravel for website and api mobile app development More details: What specific PHP/Laravel tasks do you need assistance with? Fixing bugs in an existing website Could you describe the types of bugs you've been encountering on the existing website? User interface issues, Database related problems, Functional errors in the code Are there any specific pages or features on the website where these bugs occur more frequently? Homepage, Login/Registration, Product pages; Checkout process

Help me publishing an Net6+ReactJs Project to IIS More details: Which version of Windows Server are you using for hosting the application? Windows Server 2012 Can you describe the specific problems or error messages you receive when attempting to deploy to IIS? SPA not launching when publishing to server folder: https//localhost:44321 works Have you ensured that the necessary files and dependencies for your React app are included in the published folder? Yes, I have checked and all necessary files are included

I am in immediate need of a proficient UI/UX designer to help out our current fresher designer. We are looking for someone with experience in CRM designs. To meet my demands...**Deep experience and skills in UI/UX Designing** is needed - compound with a creative eye for design, and an understanding of user engagement preferences. 2. **Superb with Figma** - having solid knowledge in Figma will be an added requiredto create visually appealing interfaces. 3. **Problem-solving skills** - a knack for understanding bottlenecks and creating suitable design solutions for UI/UX problems. 4. At least 3 years of design experience required. 5. Fluency in English is required. We need someone that can work about 20 hours per week available at least bewteen 13-18 IST. We need someone that can s...

As an organization using Exchange 2019, we've recently applied a Cumulative Update. However, post-update, we're encountering issues with both OWA ECP and Exchange PowerShell. The specific problems we're experiencing include: - OWA ECP failing to load properly - Exchange PowerShell unable to connect We are seeking a skilled professional who can assist in rectifying these issues. The ideal candidate should have: - Extensive experience with Exchange Server (preferably 2019) - Proficient in handling issues post Cumulative Updates - Adept at troubleshooting OWA ECP and Exchange PowerShell problems The goal is to have our OWA ECP and Exchange PowerShell fully operational again, following the CU installation. If you're confident in your ability to diagnose an...

Hello, I need a developer with a lot of experience in Java, Python and Socketweb - with the ability to create and solve problems with easy understanding of codes The rest of the details will be given to the correct developer

I need to assign a project related to the training of n. 1 employee who is part of my staff regarding software development with Angular language. The project involves assisting my junior developer for a maximum of 4 hours per week for a period of 4 months (total between 60 and 80 hours). Specifically, the sought-after figure will have to support my developer in case of problems related to writing the code relating to the development of our software called KAIZENCLOUD.

I am seeking an expert Python programmer to realize a multi-objective optimization project I'm currently organizing. The specific problem involves optimizing the area and distance between points, in the context of a more complex scenario. Precision and efficiency are critical in this task. A freelancer should have: • Proficient knowledge of optimization problems, specifically in mathematical models like area and distance between points. • Relevant Python programming skills, preferably at an expert level. • Familiarity with collaborative tools and version control systems such as Git. • If you are familiar with geopandas then do mention this. Send a detailed proposal outlining: • Your understanding of the problem. • Proposed solution and methodolo...

I have code for login trading accound and fetch token data. I need to update more data from the code to my system.I need to collect live data from the web and candle stick, Mins Intervals are in Dropdown box, I can choose any minutes interval, I need you to collect Last 5 candle data from the Excel in the web ...automatically display the rows of data. If i chanage time interval it will display those data only. Need ot automate the buy/sell order Note: I dont know about coding, If you install the code and run successfully at my system thereafter I will hire you and release the payment. If you agree this term you will apply this task Budet is 600 INR and Good review, Dont expect more I am not big fish. it is difficult job dont come for Money you should waste you time for unrealish E...

I've been struggling with a payment processing issue on my wellness website for over a month now. Users are unable to complete transactions using their credit cards, which harms my business significantly. To help me resolve this, I'm looking for someone with: - Proven expertise in resolving similar payment processing problems - Knowledge of the common causes of credit card payment failures - Ability to troubleshoot and fix the issue as fast as possible Additionally, any experience with wellness or healthcare websites would be considered a plus, but not a necessity. Your primary goal will be to ensure smooth and successful credit card transactions on my website.

We are having problems with communication between a Weintek easybuilders program and communication via modbus. I am looking for someone who can set all the settings correctly via team viewer and fix the problems.

I'm currently facing some issues with my Excel tracker. - The tracker contains a VBA macro file which seems to be causing formula errors and formatting issues. I'm unsure of the exact nature of these errors, but it's clear they are impacting the accuracy a...file which seems to be causing formula errors and formatting issues. I'm unsure of the exact nature of these errors, but it's clear they are impacting the accuracy and usability of the tracker. I need a freelancer who can review and rectify these issues in the tracker. An ideal candidate would have strong experience with VBA and Excel, able to handle complex formulas and troubleshoot formatting problems swiftly. Your goal is to ensure that the tracker is fully functional and error-free. Experience wi...

I am currently struggling with a problematic issue in my Ansys mechanical simulation. Throughout the simulation process, I'm unable to solve the setup entirely. Even though no recent changes have been made to my computer software that could potentially interfere with the Ansys mechanical simulation, the problems persist. Also, there are specific error messages and warnings during the attempts to solve the setup. Required Skillset: - Expertise in Ansys mechanical simulation. - Adequate experience in debugging and resolving software errors. - Ability to understand and decipher specific software error messages. The primary task for this project would be to identify, understand and adequately solve the setup issues causing interruptions in the simulation, aiming at a smooth and ...

...page. I would do it myself as its simple python. However, it needs to branch into two different output. 1 clicking certain buttons and then a Then a final enter button to refresh the webpage and get a new list of buttons to select. 2. The second branch does the same thing except that it pushes different bottons so the tab order is different. Having two outcomes makes the python code to difficult for me so that i why I need help. I will also have to fine tune the number of tabs after you give me the code. So branch one will have different tabs frequency than the other branch. The UI should reflect that. 3. Maybe it would be easier if it records the exact keystrokes I make and then plays them back(no Mouse) a. So I can just do my routine over and over and then a macro r...

I'm in need of an individual with advanced expertise in Linear Algebra and R programming. Your critical role will encompass: - Solving complex linear equations - Matrix manipulations - Implementing statistical analysis Skills and experience s...- Implementing statistical analysis Skills and experience sought: - In-depth knowledge and experience in Linear Algebra and R programming. - Proven ability in solving complex equations and matrix manipulation. - Experience in statistical analysis using R. - Dear skill and background in integrating R programs with other software. The specialist I'm seeking should be able to critically solve problems and integrate solutions with existing software. Ultimately, the aim is to achieve efficient results through advanced linear algebr...

I'm looking for a tech-savvy individual who can help me set up my Google Nest Audio Wi-Fi speakers. Key tasks include: - Connecting the speakers to my home network - Troubleshooting any potential connection issues You should have prior experience with setting up Wi-Fi enabled speakers and be comfortable working through potential connectivity problems. Familiarity with Google Nest Audio in particular would be a huge plus. Look forward to working with a skilled individual on this small, yet crucial project.

...completion is needed ASAP. Your prompt attention and quick work turnaround will be highly appreciated. Research Report 1. Title: [Insert your research title here] 2. Names: [Insert author names here] 3. Department: [Insert department name here] 4. Email: [Insert email address here] 5. Abstract (9-10 lines): Research area: Briefly explain the area your research focuses on. Problems: Identify the key problems existing in the research area. Solutions: Briefly mention the solutions your research proposes. 6. Introduction (20 lines): General overview: Provide a broader introduction to your research topic. References: Include at least 5 relevant references. 7. Motivation (5 lines): Problem and solution significance: Explain the importance of addressing the problem an...

I am currently in dire need of an experienced and highly qualified tutor for my university level linear algebra course. - Key Needs: Your assistance will be pivotal in not only helping me understand theoretical concepts but also in solving problems. We'll focus primarily on matrix theory, eigenvectors, eigenvalues and discerning whether vectors are linearly dependent or not. - Responsibilities: Be prepared to break down complex topics, explain them in a simple and understandable manner, and provide help in solving related problems. - Ideal Skills: Successful candidates should possess a deep understanding of linear algebra with a special focus on the above-mentioned topics. Previous tutoring experience or teaching experience at a college level would be highly beneficia...

...Optimize query performance and ensure data integrity. Requirements: Demonstrable experience in SQL and PHP. Deep knowledge of relational databases and experience in query optimization. Previous experience working with MLM databases and familiarity with their structures and terminology. Experience with Dolibarr ERP systems or similar ERP solutions. Ability to work independently and effectively solve problems. Excellent communication skills and ability to work in a team. Why Work With Us? Opportunity to participate in an exciting and challenging project in the MLM field. Work in a dynamic and collaborative team environment with a culture of support and growth. Competitive compensation and professional development opportunities. If you meet these requirements and are ready to take...

...professional who can perform a detailed Finite Element Method (FEM) analysis on a non-linear structural model using Python. hi, there I have other project to work with its about FEM analysis(python)of the Implement a finite element procedure using 8-node trilinear element for three-dimensional linear elastic solid mechanics problem; Visualize the finite element simulation results for several example problems via the visualization toolkit Paraview; relevant results of the stress calculation , there are three problem parameters to solve. I can provide you detailed instruction and reference work as well if you are interested Key Points: - The project will primarily focus on analyzing stress distribution in a non-linear material setting. - You need to have experience with Python pr...

I'm currently facing some integration problems with my CI runner on GitHub. I'm looking for an experienced freelancer who can help me resolve this issue. Github Repository Push --> target is that runner push code to cloud linde automatically Key requirements: - Previous experience with GitHub CI runners and Linde Cloud Server. - Strong problem-solving skills in identifying and resolving integration issues. - Good understanding of continuous integration and deployment processes. - Ability to communicate effectively on the progress and steps taken towards resolving the issue. Please include similar project experiences in your application. Looking forward to working with a competent professional who can get this resolved quickly.

I'm facing some DNS and Active Directory related issues on our on-premises servers. I need an expert who can delve into the root of the problem and resolve these issues for us. Your main tasks would include: - Checking DNS configurations. - Verifying Active Directory replication. You will be provided with full administrative ...Active Directory related issues on our on-premises servers. I need an expert who can delve into the root of the problem and resolve these issues for us. Your main tasks would include: - Checking DNS configurations. - Verifying Active Directory replication. You will be provided with full administrative access to the servers to ensure that you have everything you need to identify and solve the problems. Your expertise in these areas will be crucial to ...

I am presently encountering some issues in my blockchain project. I am specifically dealing with problems that relate to: - The validation of certificates: The current smart contract validation process doesn't seem to be working correctly. - IPFS integration: There are certain problems with the IPFS client library mode of interaction I'm using. - METAMASK connectivity: Getting connected with METAMASK has also been challenging. I'm seeking an adept blockchain developer to help me troubleshoot and resolve these issues. The perfect candidate would have extensive experience with IPFS, METAMASK, and smart contract validation. A background in debugging blockchain projects would also be highly regarded. Looking forward to productive collaborations.

I work for a security company. We needed a spreadsheet to track security units and track what they're doing. I have the code almost perfect, but it's buggy enough that it's hard to use. There's quite a bit of backend code and intermittent problems with it. I need someone who is great at project code to look at it, troubleshoot it and make it more user friendly.

We are looking for an expert in Machine Learning to help us extract value from our data. Ours is...developing models that help to achieve them, along with metrics to track their progress Develop scalable infrastructure that automates training and deployment of ML models Managing available resources such as hardware, data, and personnel so that deadlines are met Data visualizations and data comprehension Brainstorm and Design various POCs using ML/DL/NLP solutions for new or existing enterprise problems. Work with and mentor fellow Data and Software Engineers to build other parts of the infrastructure Effectively communicating your needs and understanding product challenges. Building core of Artificial Intelligence and AI Service as Decision Support, Vision, Speech, Text, NLP, NLU, a...

I'm looking for a computer science expert to design a finite automaton for advanced pattern recognition. This project has a strong emphasis on natural language processing. If you have experience in designing automata and a solid understanding of advanced pattern recognition, I'd love to hear from you. Key Requirements: - Proficiency in designing finite automata - Experience with natura...techniques Your responsibilities: - Designing a finite automaton that excels in recognizing advanced patterns, with a core focus on natural language processing - Ensuring the automaton is efficient and effective in pattern recognition This project is suited for a talented computer scientist who understands the nuances of automata design and has a passion for tackling advanced pattern recognit...

I am seeking proficient Python, C and C++ programmers with a deep understanding of Indian Equity & Derivatives Markets for unique project(s) based on our clients' requirements. Key Project Objectives: - Design, develop, and implement state-of-the-art algorithms Ideal Skills and Experien...Derivatives Markets for unique project(s) based on our clients' requirements. Key Project Objectives: - Design, develop, and implement state-of-the-art algorithms Ideal Skills and Experience: - Proficiency in Python, C, and C++ programming languages - Strong knowledge of the Derivatives market dynamics - Previous experience in algorithm development - Ability to think innovatively and solve complex problems Let’s work together to create tailored solutions for our clients&r...

...Google Cloud Platform. Responsibilities: Setting realistic schedules, deadlines, and engagement plans. Conducting check-in meetings, tracking progress, and facilitating topic-specific discussions. Mentoring the student through cybersecurity courses and projects. Setting up projects similar to projects you have previously worked on, to teach the student how to solve similar problems and build similar projects. Providing guidance, answering questions, and teaching industry best practices. Ensuring the student stays on track with the schedule and assisting in project presentations and assignments. Fully preparing the student for CompTIA Security+ certification. More Role Details: The role will begin with setting a realistic schedule, dead...

I'm looking for Tutors who can aid with my child's studies in Math, Science, and English for their GCSE. The tutoring must be conducted online. Key Requirements: - Intermediate experience level in teaching GCSE subjects - Proficiency in Math, Science, and English - Experience in online tutoring Ideal Skills: - Previous experience in tutoring GCSE students - Strong understanding of the GCSE syllabus for Math, Science, and English - Ability to engage students in an online environment - References I'm seeking someone who can make these subjects interesting and accessible to a teenager. A combination of good communication skills, patience, and relevant subject knowledge is essential.