Learn about 10 Text functions in Excel with examples, including Find, Len, Left, Right, Mid, Substitute, Upper, Trim, Concatenate, and Text.

This Technology Workshop illustrates how to leverage a number of functions to perform calculations in Excel involving the time value of money.

This post shows how to use the TRUNC function in Excel. Use it to remove or truncate decimals, time from date-time format, etc. It is the opposite of Round.

Cryptographic hash functions are mathematical functions that are often used with cryptocurrency. Find out in this guide how they work and what their role is.

These three examples highlight an important point: even in cases in which the appearance of the novel function plausibly post-dates the duplication, the duplication is by no means random.