Examples:
Please refer to the following examples and the keystrokes required to enter each problem. From these simple examples more complicated expressions can be easily entered.
12 92 34 13
17 3 
212 23 34
153 33%
log10 ln e
log 2 4 103 e2
sin 30
cos1 0
tanh 78
3!
10C5
6P1
6