Trachtenberg

Code for the mind of the Trachtenberg Speed System of Basic Mathematics

Trachtenberg速算思想的代码实现

For the detail, you can check my notes for this book(Chinese Simplified).

更多细节，可以参阅我的笔记（简体中文版）

0. Background

0. 背景

http://note.youdao.com/noteshare?id=20b807c2baea9a57db5980a5ddbed711&sub=883E8A1B068F4575BD72A59829CD2021

1. Simple multiplication

1. 小数乘法

http://note.youdao.com/noteshare?id=cd62362507ba55b713284da280e9db2c&sub=16080D7F0C5A4FAA8956B89722403EC6

2. Speed multiplication

2. 大数乘法

http://note.youdao.com/noteshare?id=632db860394827fd0a40bfcf52fb00a1&sub=41BD862B3ACC46D49BE3B0FD5907B370

3. Addition

3. 累加

http://note.youdao.com/noteshare?id=390ba9c218cae067f6f250f4885c8712&sub=D6A677B24AC64E2F983490C4E6E57169

4. Check the result

4. 验算

http://note.youdao.com/noteshare?id=400c3afc520e20df84053dd19d6339ab&sub=02640491029C4A0790DDAC1556467E2B

5. Division

5. 除法

http://note.youdao.com/noteshare?id=f35e59fd89b7ac7bc323f0b5b3f70e44&sub=89830F802E7F449B8192A15911CE356E

6. Square

6. 平方

http://note.youdao.com/noteshare?id=da66a2eee85924b850f0565c103294c3&sub=C63D8F304BED4FC9A0268F82D954C642

7. Square root

7. 平方根

http://note.youdao.com/noteshare?id=48219b7c36f3dbe6f93dd0ba9f09e567&sub=D9E216D161D14F3183EE2AB1432EF060