Techniques for adding the numbers 1 to 100
There’s a popular story that Gauss, mathematician extrodanaire, had a lazy teacher. The “educator” wanted to keep the kids busy so he could take a nap — he asked the class to add the numbers 1 to 100 - no small feat when most kids are still learning how to carry.
Gauss walked up and showed the answer on his blackboard: …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
