# What does an exclamation mark after a number mean?

An exclamation mark after a number indicates a factorial operation. The number must be an integer. The quantity n! (n factorial) equals the product n(n-1)(n-2) ... (2)(1). For example, 4! = (4)(3)(... Read More »

Top Q&A For: What does an exclamation mark after a number mean

## What does the exclamation mark mean in mathematics?

In math, the exclamation mark represents a factorial, as in "n!" The "n!" represents the product of consecutive numbers 1 through "n," as in n!=1x2x3 ... (n-2)(n-1)n. For example, 5!=1x2x3x4x5. Zer... Read More »

## Exclamation Mark Activities for First Graders?

Learning correct punctuation is an important skill necessary for increasing the writing ability of young students. First graders will learn punctuation marks like periods, question marks and exclam... Read More »

## How do you make an upside down exclamation mark on the computer?

If in MS Word:for a Â¡ ALT/CTRL/SHIFT/!or, for a Â¿, ALT/CTRL/SHIFT/?also, for an accent mark over a letter, CTRL/' (Apostrophe), the letteror for a tilde, CTRL/SHIFT/~, the letterFor a more compl... Read More »

## What does this mean Computer is in danger! etc. with an exclamation mark in yellow?

DO NOT DO IT! That's exactly what happend to my computer a few weeks ago. It's a Spy Bot Virus. Don't do it. You need to scan your computer for the virus and try to take it out. A lot of times ... Read More »

Related Questions