E-40
88 [ ] 55 [ 2nd ] [ % ] [
]
Example
18
3 Ч 3 Ч 3 Ч 3 = 81
3 [ Ч ] 3 [
[ Ч ] 3 [
[
8 Calculate 6 after calculating 3 Ч 4 = 12
3 [ Ч ] 4 [
[ ] 6 [
19
123 + 456 = 579 789 – 579 = 210
123 [ + ] 456 [