February 29, 2012

- calculate (
*verb*) - \KAL-kyuh-layt\
- What does it mean?
- 1
**:**to find by performing mathematical operations (as addition, subtraction, multiplication, and division)**:**compute2**:**estimate3**:**to plan by careful thought - How do you use it?
- Grandma said that since her birthday is on February 29, which only happens every four years, she calculates her age as 20, not 80.
- Are you a word wiz?
Take a calculated risk, and tell us which of the following answers you think gives the correct origin of "

*calculate.*"In Latin "*calculus*" meant "*pebble.*" Add that information to the fact that the Romans used pebbles to do calculations on a counting board and you'll see how "*calculus*" became associated with math. "*Calculus*" gave rise to the verb form "*calculatus,*" meaning "*calculate.*" It's not hard to figure how a word meaning "*to find by performing mathematics*" would acquire the additional meanings of "*estimate*" and "*plan by careful thought.*" And that about sums it up for "*calculate.*"