Intuitive Guide to Angles, Degrees and Radians
It’s an obvious fact that circles should have 360 degrees. Right?
Wrong. Most of us have no idea why there’s 360 degrees in a circle. We memorize a magic number as the “size of a circle” and set ourselves up for confusion when studying advanced math or physics, with their so called “radians”.
“Radians make math easier!” the experts say, without a …Rescaling the Pythagorean Theorem
How To Measure Any Distance With The Pythagorean Theorem
Crowd Favorites
Math & Numbers
- Mental math shortcuts, adding 1-100
- Understanding exponents and the natural log
- Div, Curl, Flux, Gradient and other Vector Calculus topics
Programming & Web Development
- Site speedups with HTTP caching, gzip compression
- Understanding Rails, Web debugging, and Javascrtipt
- Swap bytes with XOR, byte order, unicode
