cal·cu·lus
noun/ˈkælkjələs/
/ˈkælkjələs/
[uncountable]- the type of mathematics that deals with rates of change, for example in the slope of a curve or the speed of a falling object
微积分（学） WordfinderTopics Maths and measurementc2- algebra
- arithmetic
- calculus
- equation
- geometry
- logarithm
- maths
- numeracy
- problem
- trigonometry
Word Originmid 17th cent.: from Latin, literally ‘small pebble (as used on an abacus)’.