Mathematical handwriting requires precise distinction between symbols to avoid confusion, especially when mixing Roman letters, Greek alphabet, and digits in technical communication. The guide provides detailed tips for writing each character uniquely, emphasizing critical differences like crossing z's and barring uppercase I's to prevent misinterpretation.

https://johnkerl.org/doc/ortho/ortho.html

via https://hnrss.org/newest?points=100, https://hnrss.org/newest?comments=100