! Factorial

World > Common Usage

Definition

Take the integer to the left of the symbol and multiply it by all positive integers less than it. Note that 0! Is 1. The symbol is also used to denote 'Not' as in != meaning not equal to.

Reading Styles

How screen readers should read this symbol

Read As Default Exams VI
Factorial Yes Yes Yes

Encoding

Hex

0021

Decimal

0033

XML Entity

N/A

LaTeX

N/A

MathML Example

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Other Meanings

This symbol has no other meanings in other subjects

Other Languages

This symbol has no other meanings in other languages