variationformula
nounUK /ˌveəriˈeɪʃən ˈfɔːmjʊlə/
US /ˌveriˈeɪʃən ˈfɔːrmjələ/
A special math rule that shows how something changes in different ways.
The teacher wrote the variation formula on the board so we could see how the numbers change.
OTHER MEANINGS
2. A math expression that describes how one amount depends on another.
Scientists used a variation formula to predict how the plant would grow.
3. A set of steps used to find different versions of a result.
The engineer applied the variation formula to test each design.
4. A rule in statistics for measuring how spread out numbers are.
The class learned a variation formula to compare their test scores.