Full form of ! is Factorial

! stands for Factorial . Fullformexpand.com has 4 other full forms for abbreviation !.

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! stands for Factorial. Fullformexpand.com has 4 other full forms for abbreviation !.

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"!." Fullformexpand.com, https://www.fullformexpand.com/%21/factorial. Accessed 22 Feb. 2026.

Fullformexpand.com, 2026. "!." Accessed February 22, 2026. https://www.fullformexpand.com/%21/factorial.

"!." (n.d.). Fullformexpand.com. Retrieved February 22, 2026, from https://www.fullformexpand.com/%21/factorial.

!. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/%21/factorial (Accessed: 22 February 2026).