math

Solve algrebra equations step by step

https://www.mathpapa.com/algebra-calculator.html

Grafiek calculator

https://www.desmos.com/calculator/xykhidbkbg

matrix & quaternion FAQ

• http://www.j3d.org/matrix_faq/matrfaq_latest.html

e

• http://nl.wikipedia.org/wiki/E_(wiskunde)

greek symbols

• http://www.exelisvis.com/docs/html/images/greekLetters.png