Exclamation mark (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Exclamation mark" in Simple English language version.

refsWebsite

Global rank Simple English rank

low place

212^th place

low place

19^th place

1mathsisfun.com

6,108^th place

103^rd place

513^th place

25^th place

grammarly.com (Global: low place; Simple English: 212^th place)

"Exclamation Point (or Exclamation Mark)". Grammarly. 2016-02-09. Retrieved 2020-10-17.

mathsisfun.com (Global: 6,108^th place; Simple English: 103^rd place)

"Factorial Function !". www.mathsisfun.com. Retrieved 2020-09-10.

mathvault.ca (Global: low place; Simple English: 19^th place)

"Compendium of Mathematical Symbols". Math Vault. 2020-03-01. Retrieved 2020-09-10.

wolfram.com (Global: 513^th place; Simple English: 25^th place)

mathworld.wolfram.com

Weisstein, Eric W. "Factorial". mathworld.wolfram.com. Retrieved 2020-09-10.