Courses from 1000+ universities
AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.
600 Free Google Certifications
Artificial Intelligence
Data Science
Cybersecurity
L'Italiano nel mondo
Introduction to HTML5
Umano Digitale
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Master essential Excel date and time functions, including serial numbers, formatting, calculations for payroll, project timelines, and workday management with practical examples and formulas.
Master Excel's powerful lookup functions including XLOOKUP, FILTER, XMATCH, and SWITCH through hands-on examples and practical applications for data analysis and management tasks.
Master Excel's SCAN function to create dynamic spilled array formulas for automatic bank reconciliation, running totals, and advanced accounting tasks with relative cell references.
Master the process of unpivoting cross-tabulated tables in Excel using advanced formulas. Create reusable functions with LAMBDA and LET to efficiently transform data without Power Query.
Master bank reconciliation in Excel using IF, ISNUMBER & SUM functions to automatically calculate book and bank balances with efficient formulas and avoid common errors.
Master Excel's FILTER function with AND logical tests using three methods: helper columns, multiplication operators, and BYROW & AND functions for dynamic data extraction.
Master advanced Excel array formulas using COUNTIFS, GROUPBY & LET to build dynamic single-cell reports that count and list customers by coupon groups with 22 functions.
Master troubleshooting techniques for #N/A errors in Excel lookups by identifying and fixing hidden characters using functions like CODE, CHAR, REGEXREPLACE, and advanced formulas.
Master Excel's logical functions through 14 practical examples, from basic IF statements to advanced combinations with XLOOKUP, AND, OR, and NOT operators for powerful data analysis and automation.
Master Power Query custom functions with parameters to efficiently import and transform multiple CSV files into a unified dataset using M Code techniques.
Master creating a Power BI dashboard using SQL data with 7 million rows, DAX formulas, and Power Query to build interactive gross profit visualizations including maps and comparative measures.
Master Power Pivot in Excel by learning data modeling, relationships, DAX measures, and filter context. Create effective reports with practical examples and avoid common pitfalls in data model implementation.
Master PIVOTBY & GROUPBY functions in Excel with 10 practical examples, from creating dynamic reports to connecting with charts, all with instant updates that outperform traditional PivotTables.
Master Excel data analysis tools including PivotTables, Slicers, Charts, and Conditional Formatting to transform raw data into meaningful information and create dynamic, visual reports.
Master nested Power Query functions to transform multiple CSV files with cross-tabulated data into a single, properly structured table using advanced M Code techniques.
Get personalized course recommendations, track subjects and courses with reminders, and more.