5
83 + 24 - 1 x 4 = 83 + 24 - 4 = 107 - 4 = 103
x is 12
166
- 22 + (-83) + 5 = -22 - 83 + 5 = -100
83 x 31 = 2573 83 x 32 = 2656 83 x 33 = 2739 83 x 34 = 2822
82 + 83 + 94 = 259
1 x 83, 83 x 1
Press [2nd] > [x-1] > [1]
36 + 47 = 83
83 x 111 = 9,213
6100000000 + 71000000 + 5100000 + 71000 + 83 = 6176171083
40 + 83 = 123