# Math

- make_change [edit] v0.1
*Calculate the number of different ways there are to make change for a given amount.* - next_prime [edit] v0.1
*Returns the next prime.* - peasant_multiply [edit] v0.4
*This implements the peasant multiplication algorithm. http://en.wikipedia.org/wiki/Peasant_multiplication* - pi_digits [edit] v0.4
*Calculate the digits of pi.* - plot_3d_function [edit] v0.6
*Plot a function of two variables in 3d. Output a rendered graph.* - plot_function [edit] v0.2
*Plot a function and output a graph with a line on it.* - point_in_polygon [edit] v0.1
*Check to see if a point is within a polygon.* - primes [edit] v0.1
*Return an array of primes.* - prime_factors [edit] v0.1
*Returns array of the prime factors.* - radtodeg [edit] v0.1
*Returns radians converted to degrees.* - reverse_factorial [edit] v0.1
*Calculate the reverse factorial. That is if y=x! and y is given, calculate x.* - round_up [edit] v1.0
*Round a number up using precision. Precision is the number of decimal places (can also be negative).* - scientific_notation [edit] v0.2
*Converts number to scientific notation. The first parameter is the number while setting the second parameter to true (1) returns the number in 1.0E5 (10 ^ 5) format.* - simple_calculator [edit] v0.3
*Uses a callback to implement a simple calculator.* - simplify_equation [edit] v0.2
*Simplify an equation.* - star_polygon [edit] v0.1
*Draw a regular star polygon.* - sum_list [edit] v0.1
*Sum up the numbers in an array.* - surface_oblate_spheroid [edit] v0.1
*Surface area of a oblate spheroid (sort of like earth)* - volume_cone [edit] v0.1
*Volume of a Cone.* - volume_cube [edit] v0.1
*Volume of a cube.*