Learn how to write the sum from a geometric series. A series is the sum of the terms of a sequence. A geometric series is the sum of the terms of a geometric sequence. The formula for the sum of n ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Cutting corners: The code looked harmless. A GitHub repository, a small freelance task, and a standard request sent over LinkedIn to a blockchain engineer: run this snippet, fix a few bugs, get paid.