ab is an arithmetic formula generate bot.
Generate expirement by level, for example:
> ab exp -l=1
4 + 3 = 4 + 1 = 6 + 4 =
9 + 0 = 7 + 1 = 6 + 2 =
3 + 2 = 8 + 2 = 0 + 0 =
10 + 0 = 2 + 2 = 4 + 4 =
8 + 0 = 8 + 2 = 5 + 4 =
6 + 1 = 4 + 0 = 6 + 1 =
6 + 2 = 7 + 1 = Generate addition formula, for example:
> ab plus -n=10 -s=1000
41 + 220 = 762 + 93 = 242 + 227 =
954 + 46 = 551 + 166 = 690 + 162 =
145 + 303 = 579 + 105 = 701 + 77 =
840 + 99 =