Math Symbols List
Math Symbols List: There are a lot of math symbols applied in any given mathematical concept ranging from simple addition and subtraction to complicated operations like integration. This is the main reason why students find math symbols confusing to understand and difficult to remember. The concept of mathematics is completely based on the relationship between numbers and symbols. These math symbols are used to perform different mathematical operations and represent various mathematical concepts.
Basic Math symbols list
Symbol | Symbol Name | Meaning / definition | Example |
---|---|---|---|
= | equals sign | equality | 5 = 2+3 5 is equal to 2+3 |
≠ | not equal sign | inequality | 5 ≠ 4 5 is not equal to 4 |
≈ | approximately equal | approximation | sin(0.01) ≈ 0.01, x ≈ y means x is approximately equal to y |
> | strict inequality | greater than | 5 > 4 5 is greater than 4 |
< | strict 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 |
≤ | inequality | 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 |
± | minus – plus | both minus and plus operations | 3 ∓ 5 = -2 or 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 |
a^{b} | power | exponent | 2^{3 }= 8 |
a^b | caret | exponent | 2 ^ 3^{ }= 8 |
√a | square root |
√a ⋅ √a = a |
√9 = ±3 |
^{ 3}√a | cube root | ^{ 3}√a ⋅ ^{ 3}√a ⋅ ^{ 3}√a = a | ^{3}√8 = 2 |
^{ 4}√a | fourth root | ^{ 4}√a ⋅ ^{ 4}√a ⋅ ^{ 4}√a ⋅ ^{ 4}√a = a | ^{4}√16 = ±2 |
^{n}√a | n-th root (radical) | for n=3, ^{n}√8 = 2 | |
% | percent 1% = 1/100 | 10% × 30 = 3 | |
‰ | 1‰ = 1/1000 = 0.1% | 10‰ × 30 = 0.3 | |
ppm | 1ppm = 1/1000000 | 10ppm × 30 = 0.0003 | |
ppb | per-billion | 1ppb = 1/1000000000 | 10ppb × 30 = 3×10^{-7} |
ppt | per-trillion | 1ppt = 10^{-12} | 10ppt × 30 = 3×10^{-10} |