exp2

returns the binary exponential of a number.

# Metadata

Platforms: desktop, server, mobile OS: mac, windows, linux, ios, android Introduced: 1.0 Security:

# Syntax

the exp2 of number

# Params

- number : A real number, or an expression that evaluates to a number.

# Examples

exp2(8) -- returns 256

exp2(the screenDepth) -- returns number of colors available

# Description

Use the exp2 function to obtain a power of 2.

The expression exp2(number) is equal to 2^number.

If a math operation on finite inputs produces a non-finite output, an execution error is thrown. See math operations for more information.

# Tags

math,

# See

- **function:** exp - **glossary:** binary, return, math operation