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Arithmetic terms and signs

Basic maths terms and signs

Symbol Symbol Name Meaning/definition Example
= 5=2+3
≠ equals sign equality 5≠4
> 5>4
< not equal sign inequality 4<5
≥ 5≥4
≤ strict inequality greater than 4≤5
() 2 × (3 + 5) = 16
strict inequality less than
[] [(1 + 2)*(1 + 5)] = 18
+ inequality greater than or equal to 1+1=2
− 2−1=1
inequality less than or equal to
± 3 ± 5 = 8 and -2
parentheses calculate expression
∓ inside first 3 ∓ 5 = -2 and 8
* 2*3=6
× brackets calculate expression 2×3=6
∙ inside first 2∙3=6
÷ 6÷2=3
/ plus sign addition 6/2=3

minus sign subtraction 7 mod 2 = 1
2.56 = 2 + 56 / 100
plus - minus both plus and minus 23 = 8
operations or tolerance
on a dimension

minus - plus both minus and plus
operations

asterisk multiplication

times sign multiplication

multiplication dot multiplication

division division
sign/obelus

division slash division

– horizontal line division / fraction

mod modulo remainder calculation
. period
ab power decimal point, decimal
separator

exponent

Total Training Support Ltd 1-7 Issue 2 – September 2016
© Copyright 2016 Module 1.1 Arithmetic