arithmetic
elementary branch of mathematics
elementary arithmetic
collective term for the four mathematical operations of addition, subtraction, multiplication and division
transfinite arithmetic
generalization of elementary arithmetic to infinite quantities
Peano arithmetic
axiomatic theory of the arithmetic of nonnegative integers
modular arithmetic
system of algebraic operations defined for remainders under division by a fixed positive integer; system of arithmetic for integers, where numbers "wrap around" upon reaching a certain value—the modulus
significance arithmetic
set of rules for propagating uncertainty in calculations involving measured quantities