Formulas for automatically calculating payment dates in Excel: AI got all 3 right, but Gemini's formula missed holidays on row 40 when copied down [Trial #19]

I had ChatGPT, Claude, and Gemini create formulas to automatically calculate invoice payment dates in Excel. I asked two ...

Automatically Calculating Paid Leave Entitlement in Excel | Having Generative AI Create the Formula and Verifying It for 207 Employees

October 13, 2026Key points of this article You can leave monthly calculations to Excel by having AI create an Excel formula ...
Houston Chronicle

How to Calculate the Midpoint of Two Dates in Excel

When you enter a number into an Excel cell that looks like a date, such as "Jun-1" or "6/1," Excel automatically adjusts the format of the cell to display a date, so you may not know that Excel ...
PC World

Meet DATEDIF(), Excel’s secret Date & Time function that’s still handy

DATEDIF(), which means Date + Dif, is a compatibility function left over from Lotus 1-2-3 that Microsoft adopted in Excel version 2000, which is the only version that explains how this function works.