Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

Learn how to calculate and display variance inside Excel pivot tables. Perfect for financial analysis, reporting, and data ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Dr. JeFreda R. Brown is a financial consultant, ...

Tools like Excel and Google Sheets are ubiquitous these days, and learning how to use them more effectively will quickly ...

Open a Notepad and copy-paste the following: Set WshShell = CreateObject("WScript.Shell") MsgBox ConvertToKey(WshShell.RegRead("HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\DigitalProductId")) ...

Fix Excel formulas that won’t spill! Learn how to troubleshoot #VALUE errors caused by Analysis ToolPak functions and improve your workflow.

Tl;dr: If you manage even one Microsoft 365 tenant, it’s time to audit your OAuth apps. Statistically speaking, there’s a strong chance a malicious app is lurking in your environment. Seriously, go ...

D espite its age, Excel continues to evolve with new functions being added over time. There are newer better Excel functions ...

A wealthy Christchurch businessman well known in motorsport circles has been jailed for sexually assaulting his friend’s daughter. Adam James Brook, 50, was found guilty on charges of sexually ...

How ANOVA helps ensure process data lead to accurate, defensible decisions. The two-sample t-test determines if two population means are equal. Typical applications involve testing whether a new ...