num1 num2 add sum                      num1 plus num2

num1 num2 div quotient                 num1 divided by num2

int1 int2 idiv quotient                integer divide

int1 int2 mod remainder                int1 mod int2

num1 num2 mul product                  num1 times num2

num2 num2 sub difference               num1 minus num2

num1 abs num2                          absolute value of num1

num1 neg num2                          negative of num1

num1 ceiling num2                      ceiling of num1

num1 floor num2                        floor of num1

num2 round num2                        round num1 to nearest integer

num1 truncate num2                     remove fractional part of num3

num sqrt real                          square root of Num

num den atan angle                     arctangent of num/den in degrees

angle cos real                         cosine of angle (degrees)

angle sin real                         sine of 0 (degrees)

base exponent exp real                 raise base to exponent power

num ln real                            natural logarithm (base e!)

num log real                           logarithm (base 10)

- rand int                             generate pseudo-random integer

int srand -                            set random number seed

- rrand int                            return random number seed