An overview of the General Math toolset
The General Math tools apply a mathematical function to the input. These tools fall into several categories. The arithmetic tools perform basic mathematical operations, such as addition and multiplication. There are tools that perform various types of exponentiation operations, which includes exponentials and logarithms in addition to the basic power operations. The remaining tools are used either for sign conversion or for conversion between integer and floating point data types.
Within these broad categories, some tools operate on two inputs, while the others operate on a single input.
Tools with two inputs:
 Arithmetic: Plus, Minus, Times, Divide, Mod (modulus), Negate
 Power: Power
Tools with a single input:
 Arithmetic: Negate
 Exponential: Exp, Exp2, Exp10
 Logarithmic: Ln, Log2, Log10
 Power: Square, Square Root
 Sign: Abs, Negate
 Type conversion: Float, Int, Round Down, Round Up
The following table lists the available General Math tools and provides a brief description of each:
Tool 
Description 

Calculates the absolute value of the cells in a raster. 

Divides the values of two rasters on a cellbycell basis. 

Calculates the base e exponential of the cells in a raster. 

Calculates the base 10 exponential of the cells in a raster. 

Calculates the base 2 exponential of the cells in a raster. 

Converts each cell value of a raster into a floatingpoint representation. 

Converts each cell value of a raster to an integer by truncation. 

Calculates the natural logarithm (base e) of cells in a raster. 

Calculates the base 10 logarithm of cells in a raster. 

Calculates the base 2 logarithm of cells in a raster. 

Subtracts the value of the second input raster from the value of the first input raster on a cellbycell basis. 

Finds the remainder (modulo) of the first raster when divided by the second raster on a cellbycell basis. 

Changes the sign (multiplies by 1) of the cell values of the input raster on a cellbycell basis. 

Adds (sums) the values of two rasters on a cellbycell basis. 

Raises the cell values in a raster to the power of the values found in another raster. 

Returns the next lower whole number for each cell in a raster. 

Returns the next higher whole number for each cell in a raster. 

Calculates the square of the cell values in a raster. 

Calculates the square root of the cell values in a raster. 

Multiplies the values of two rasters on a cellbycell basis. 