There are a number of useful math-related functions Lua offers that do not fit into any of the preceding categories. These functions are listed here, in no particular order:

• math.ceil(v): rounds v up to the nearest integer
• math.floor(v): rounds v down to the nearest integer
• math.fmod(x, y): returns the remainder of the division x / y
• math.modf(v): returns two values, the integer part of v and the factoral part of v
• math.sqrt(v): returns the square root of v
• math.type(variable): returns the strings integer, float, or nil