Math Notation

not equal sign Inequality 5 ≠ 4 5 is not equal to 4

equals sign Equality 5 = 2+3 5 is equal to 2+3

approximately equal approximation x ≈ y means x is approximately equal to y

inequality greater than 5 > 4 5 is greater than 4

inequality less than 4 < 5 4 is less than 5

inequality greater than or equal to 5 ≥ 4, x ≥ y means x is greater than or equal to y

less than or equal to 4 ≤ 5, x ≤ y means x is less than or equal to y

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 or -2

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

Modulo remainder calculation 7 mod 2 = 1

Period decimal point, decimal separator 2.56 = 2+56/100

Caret Exponent 2 ^ 3 = 8

square root √a ⋅ √a = a √9 = ±3

cube root 3√a ⋅ 3√a ⋅ 3√a = a 3√8 = 2

“n-th root (radical) for n=3, n√8 = 2”