‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful!

Microsoft Excel’s new text function TEXTSPLIT() is Excel’s TEXT TO COLUMNS feature in a formula and a bit more.

Trigonometric functions are often used in embedded systems. Motor drivecontrol applications such as the Park Transform, Clarke Transform, andPWMgeneration use trigonometric functions extensively.

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 ...