=

equals sign

equality

5 = 2+3

≠

not equal sign

inequality

5 ≠ 4

>

strict inequality

greater than

5 > 4

<

strict inequality

less than

4 < 5

≥

inequality

greater than or equal to

5 ≥ 4

≤

inequality

less than or equal to

4 ≤ 5

( )

parentheses

calculate expression inside first

2 × (3+5) = 16

[ ]

brackets

calculate expression inside first

[(1+2)*(1+5)] = 18

+

plus sign

addition

1 + 1 = 2

−

minus sign

subtraction

2 − 1 = 1

±

plus – minus

both plus and minus operations

3 ± 5 = 8 and -2

∓

minus – plus

both minus and plus operations

3 ∓ 5 = -2 and 8

*

asterisk

multiplication

2 * 3 = 6

×

times sign

multiplication

2 × 3 = 6

∙

multiplication dot

multiplication

2 ∙ 3 = 6

÷

division sign / obelus

division

6 ÷ 2 = 3

/

division slash

division

6 / 2 = 3

–

horizontal line

division / fraction

mod

modulo

remainder calculation

7 mod 2 = 1

.

period

decimal point, decimal separator

2.56 = 2+56/100

caret

exponent

2 ^ 3= 8

%

percent

1% = 1/100

10% × 30 = 3