Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Fundamentals of Neuroscience, Part 1: The Electrical Properties of the Neuron
Organic Chemistry 1
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Comprehensive guide to data visualization and dashboard creation in Excel and Power BI, covering various chart types, PivotTables, Power Query, and advanced techniques for effective data presentation.
Comprehensive tutorial on Power Query's Group By feature, covering basic to advanced applications with 10 practical examples for data analysis and calculations in Excel.
Master Excel array formulas with 50 practical examples, covering fundamental concepts, advanced functions, and real-world applications for data analysis and reporting.
Comprehensive guide to Excel lookup formulas, covering XLOOKUP, FILTER, XMATCH, INDEX, and more. Includes examples in Excel, Power Query, and DAX for exact and approximate matches.
Master Excel's logical functions, formulas, and advanced features. Learn to create powerful data analysis tools using PivotTables, conditional formatting, and Power Query for efficient data management.
Comprehensive guide to Excel's LAMBDA function, covering creation of reusable functions, helper functions, recursion, and advanced reporting techniques for enhanced spreadsheet efficiency.
Explore advanced Excel data visualization techniques using conditional formatting, including built-in features and logical formulas for effective data analysis and presentation.
Comprehensive guide to creating effective Excel charts, covering 11 types with practical examples and tips for data visualization without unnecessary clutter.
Comprehensive tutorial on Excel lookup functions with 20 practical examples, covering VLOOKUP, HLOOKUP, INDEX, MATCH, and LOOKUP for data retrieval and analysis.
Comprehensive guide to conditional calculations in Excel, covering AND/OR functions, SUMIFS, array formulas, and more. Ideal for mastering complex data analysis techniques.
Comprehensive guide to Excel array formulas, covering 12 practical examples from basic operations to advanced functions like SUMPRODUCT, TRANSPOSE, and FREQUENCY for efficient data analysis.
Master Excel data analysis with PivotTables, Power Query, and Data Model. Learn sorting, filtering, and advanced techniques to handle large datasets efficiently and create insightful reports.
Comprehensive Excel formula tutorial covering 15 examples, including VLOOKUP, IF functions, array formulas, error tracking, and best practices for efficient spreadsheet creation.
Learn to use Excel 2016's IFS function for complex conditional logic, comparing it with IF and VLOOKUP. Explore practical examples and advanced techniques for efficient data analysis and formula creation.
Learn to create dynamic databases in Excel using Tables, master VLOOKUP for invoice details, and explore advanced features like structured references and data validation.
Get personalized course recommendations, track subjects and courses with reminders, and more.