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

Time blindness is the inability to determine how long a task will take or conceptualize how much time has passed. It relates ...

A logarithm is the power which a certain number is raised to get another number. Before calculators and various types of complex computers were invented it was difficult for scientists and ...

Suzanne is a content marketer, writer, and fact-checker. She holds a Bachelor of Science in Finance degree from Bridgewater State University and helps develop content strategies. Learn about our ...

I've been using Farsight FreeCalc on Windows and noticed a strange issue: whenever I try to calculate logarithmic or trigonometric functions (like log, sin, cos, etc.) with valid numeric inputs, the ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Looking back, the earliest calculating devices were the methods of shorthand writing used by the ancient Egyptians, Greeks, and Mesopotamians to indicate large, specific quantities. For the Egyptians, ...