Learn how accounting spreadsheets work with real examples of journals plus when to switch to accounting software.

A common source of errors in Excel is "the gap"—a situation where you add new data to the bottom of a list, but your formulas ...

Discover 17 new Excel features and functions for 2026, so you track edits and data faster. Including auto-refreshing pivots ...

Learn how to create burndown charts to track project progress, improve team performance, and download free templates to get ...

Learn how to add the current time to a cell in Excel quickly and efficiently. This video shows multiple methods, including keyboard shortcuts and formulas, to automatically display the current time ...

Abstract: In a paper by Willems et al., it was shown that persistently exciting data can be used to represent the input-output behavior of a linear system. Based on this fundamental result, we derive ...

Numbers in rows tell one story, but charts and graphs reveal patterns you might otherwise miss. Create a simple line graph ...

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Learn about gross, operating, and net profit margins, how each is calculated, and how businesses and investors can use them ...

Investor reporting still relies on spreadsheets and manual processes, but modern automation and AI can transform data quality ...

Abstract: Mainly in metropolitan areas that attract interference and restriction due to the fast growth of wireless communication, it is essential to understand the channel characteristics and ...