Is that what you are looking for?
[991ES PLUS] (Basically identical for ES+ and Classwiz)
Square root: [ √( : 98] A 框 B
10^: [ 10^ : 93] A 框 B
e^: [ e^ : 73] A 框 B
Fraction: [ ┘ : AE] D A Box B A Box B E
Mixed fraction: [ Mixed fraction (
@) : 7C] F D A 框 B A 框 B A 框 B E
Integral: [ ∫( : 6A] A 框 C 框 C 框 B
Sum: [ Σ( : 69] A 框 C 框 C 框 B
Derivative: [ d/dx( : 6B] A 框 C 框 B
Log: [ log( : 68] A 框 C 框 B
n'th root: [ ˣ√( : 9F] D A 框 B A 框 B E
Power: 框 [ ^( : 5E] A 框 B
By the way, what does "弹" means?