1 Complements
2 Speed Addition
3 Speed Subtraction
4 Speed Subtraction II
5 Doubling and Halving
6 Speed Division
7 Digital Root
8 Multiply by Nine
9 Multiply by 11
10 Multiply by 12
11 Base Multiplication I
12 Base Multiplication II
13 Above and Below
14 Crosswise and Vertical (2 Digit)
15 Cross Wise and Vertical (Three Digit)
16 Divisibility
17 SPECIAL MULTIPLICATION
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