Calculator

Result: 0

Meaning of buttons:

pi ==> Math.PI
e ==> Math.E
pow ==> Math.pow(base, power)
log ==> log(base, value)
sin, cos, tan ==> Math.func(rad)
fact ==> fact(value)

Example,
Math.sin(Math.PI/2)+
Math.pow(2,3)+
log(2,16)-4+2 = 11