# Operand

object of a mathematical operation, quantity on which an operation is performed

In mathematics, an operand is a number or variable being worked on in an equation or inequality. In $1+2$ , the operands are $1$ and $2$ , and the operator is $+$ .

## Notation

In $(3+5)\times 2$ , the operands are 3, 5 and 2, and the operators are $+$  and $\times$ .

## Name of operands

Operands have different names depending on the operation that is done to them.

$+$  Addition: addend

$-$  Subtraction: minuend & subtrahend

$\times$  Multiplication: factor

$/$  Division: dividend & divisor

$x^{y}$  Exponentiation: base & exponent

${\sqrt {x}}$  Root: index & radicand

$\log({x})$  Logarithm: base & power

\ Modulation: modulend & modulator

$n!$  Factorial: index

$\sum _{k}^{n}{x}$  Summation: summand

$\prod _{k}^{n}{x}$  Product: multiplicand

$\lim _{k\to n}{x}$  Limit: index & limit

$\lfloor x\rceil$  Nearest integer: index

$\lfloor x\rfloor$  Floor: index

$\lceil x\rceil$  Ceiling: index

$[x]$  Integer part: index

{$x$ } Fractional part: index