2 evaluates to 2
sin(2) evaluates to 0.034899496702501
2(3+4) evaluates to 14
2^3 evaluates to 8
2 + 3 evaluates to 5
Pi1,15,n evaluates to 1307674368000
Sigma1,Sigma1,3,n,n evaluates to 21
0.5sin(5) evaluates to 0.043577871373829
sincostan90 evaluates to 0.017261434031253
-3^(1+1) evaluates to 9
-3^(1*2) evaluates to 9
-3^2 evaluates to 9
