basic mathematical symbols
+ | plus; positive |
− | minus; negative |
± | plus or minus; positive or negative; degree of accuracy |
× | multiplied by (‘times’) (332) |
÷ | divided by (6 4 2) |
/ | divided by; ratio of (2:1) |
! | factorial (4! 5 4333231) |
= | equal to |
≠ | not equal to |
≡ | identical with |
≢ | not identical with |
≙ | corresponds to |
: | ratio of (2:1) |
< | proportionately equals (2:3 < 4:6) |
∼ | approximately equal to; equivalent to; similar to |
> | greater than |
≫ | much greater than |
≯ | not greater than |
< | less than |
≪ | much less than |
≮ | not less than |
≥ | greater than or equal to |
≤ | less than or equal to |
∝ | directly proportional to |
() | parentheses |
[] | brackets |
{} | braces |
∞ | infinity |
Æ | approaches the limit |
√ | square root |
3œ, 4œ | cube root, fourth root, etc |
% | per cent |
′ | prime; minute(s) of arc; foot/feet |
″ | double prime; second(s) of arc; inch(es) |
> | arc of circle |
8 | degree of arc |
§ | equiangular |
⊥ | perpendicular |
∥ | parallel |
∴ | therefore |
∵ | because |
D | increment |
∑ | summation |
∏ | product |
∫ | integral sign |