2017-08-12 365阅读
| � | plus or minus |
| � ;˙ | times or mutiply |
| � | divide |
| - ; / | divide, such as a/b |
| = | equals, is equal to |
| ≠ | does not equal, is not equal to |
| < | is less than |
| > | is greater than |
| ≦ | is less than or equal to |
| ≧ | is greater than or equal to |
| <> | is not equal to; is less than or greater than |
| : | is to, as in proportions, a : b as c : d |
| - - - | between numerais or letters, shows omission of some numerals or letters at the end of a series or esquence shows "and so no" |
| �√ | positive square root |
| n的次方根 | nth root |
| ! | factorial |
| 指数 | exponent, use a as a factor b times |
| ab | subscript, for descriptive discrimination |
| % | percent |
| |� | | absolute value |
| ~ | similar, is similar to |
| ㄥ | angle, as in ㄥA or ㄥABC |
| mㄥ | measure of angle |
| 直角 | right angle; is perpendicular to |
| ⊙ | circle |
| 弧形 | arc |
| △ | triangle |
| 正三角 | equilateral triangle |
| 等腰三角 | isosceles triangle |
| 直角三角 | right triangle |
| □ | square |
| 四边形 | quadrilateral |
| 平行四边形 | parallelogram |
| 梯形 | trapezoid |
| ( x , y ) | coordinates of a point in a plane |
| ( x , y , z ) | coordinates of a point in space |
| ∴ | therore |
| $ | dollar sign |
| ¢ | cent sign |
| ( ) | parentheses, shows order of operations |
| [ ] | brackets, shows order of operations |
| { } | braces, shows order of operations; also shows members of a set, when empty shows empty set |
| 圆周 | Circumference |
| 面积 | area |
| 直径 | diameter |
| 半径 | radius |
| 周边;周长 | perimeter |
| 次方 | power |
| 根(数) | root |
| 长 | length |
| 宽 | width |
| 高 | height |
| 基数;底边 | base |
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