From M → ← To M

X ^{2 1} ∕ _x √ X ^y

2 ^{^ n} n ! ∑ ^[x.x.x] ∏ ^[x.x.x]

1 2 3 +

4 5 6 −

7 8 9 ×

· 0 C ÷

Integer ±

=