SOLUTION: why 0factorial=1

Algebra.Com
Question 977940: why 0factorial=1
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
why 0factorial=1
---------------
By agreement, or convention.
also.

RELATED QUESTIONS

why... (answered by Stitch,Edwin McCravy)
Why i ^ (-1) = -1... (answered by ikleyn)
Why... (answered by venugopalramana)
Why 0.111111111111=1/9... (answered by indra89811)
Why does (4xcubed)0= 1? (answered by richard1234)
why is x2 + 3x + 1 non-factorable? (answered by josmiceli)
what is log (1)10 and... (answered by lwsshak3)
(Sin)sqx+(cos)sqx=1?... (answered by lwsshak3)
Why does... (answered by MathLover1)