Addition: a+b Subtraction: a-b Multiplication: 2*3, abc, 3x, 3(x+y) Division: a/b, (x+y)/(a+b) Exponentiation: a^2, (a+b)^2, sin^2(x), log^2(a, b)

Absolute value: |x| Factorial: x! Degree: deg,180deg Pi: Pi, pi/4 Sum: sum(a_i,{i,1,5})

Functions:: sin(x) cos(x) tan(x) cot(x) arcsin(x) arccos(x) arctan(x) arccot(x) csc(x) sec(x) cosec(x) ln(x) log(x) log(a,b)