math
70 digits of pi
3.141592653589793238462643383279502884197169399375105820974944592307816
tan(45)
1
3x+1
Final sequence is 4, 2 and 1
0.785398163 radians
sin-1(-0.821)
-0.9631603531 radians
acos(0.310237098091)
1.2553539 radians
sin(2313.128379189)+tan(21893829.38927498793728941)
About 3.11093847
1/0
Undefined