combination, graph

 Sriram Pemmaraju

http://homepage.cs.uiowa.edu/~sriram/

Steven Skiena

https://www3.cs.stonybrook.edu/~skiena/

mathematica

建國中學 mathematica 入門
http://math1.ck.tp.edu.tw/%E6%95%B8%E5%AD%B8%E5%BB%BA%E6%A8%A1/Mathematica%E8%AC%9B%E7%BE%A9_33_%E6%A0%BC%E5%BC%8F17.pdf


https://www.wolfram.com/language/fast-introduction-for-math-students/en/trigonometry/


https://www.wolfram.com/wolfram-u/catalog/gen005/


https://pages.mtu.edu/~msgocken/pdebook2/mathtut2.pdf

mathematica 教學

mathematica 官網教學

Stephen Wolfram An Elementary Introduction to the Wolfram Language

1.

Starting Out: Elementary Arithmetic

2.Introducing Functions 

Fast Introduction for Programmers

http://www.wolfram.com/language/fast-introduction-for-programmers/en/function-definitions/

Fast Introduction for Math Students

 http://www.wolfram.com/language/fast-introduction-for-math-students/en///

mathematica tutorial

 http://www.math.mtu.edu/~msgocken/pdebook2/mathtut2.pdf

 WolframAlpha
https://www.wolframalpha.com/