Soldato
- Joined
- 29 Aug 2006
- Posts
- 3,779
- Location
- Wales
Brain being dumb. What is the shorthand notation for addition of number to itself multiple times?
For multiplication it's obviously powers;
a * a * a * a * a = a^5
what is
a + a + a + a + a = ?
For multiplication it's obviously powers;
a * a * a * a * a = a^5
what is
a + a + a + a + a = ?