http://www.karlscalculus.org/calculus.html#toc
<source : http://www.math.ohiou.edu/~mjm/goodproblems/symbols.pdf>
<source : http://www.math.ohiou.edu/~mjm/goodproblems/symbols.pdf>
symbols[1].pdf| Symbol | What Is It? |
| + | Adding Sign. Often referred to as the 'plus' sign. |
| - | Subtracting Sign. Often referred to as the 'minus' sign. |
| x | Multiplication Sign. Often referred to as the 'times' sign. |
| ÷ | Division Sign. |
| = | Equal Sign. |
| | | | Absolute Value |
| ¹ | Not Equal to. |
| ( ) | Parenthesis. |
| [ ] | Square Brackets. |
| % | Percent Sign - Out of 100. |
| å | Big Sum Sign - Summation. |
| Ö | Square Root Sign. |
| < | Inequality sign. Less Than. |
| > | Inequality sign. Greater Than. |
| ! | Factorial. |
| q | Theta. |
| p | Pi |
| » | Approximately. |
| ^ | Perpindicular. |
| Ð | Angle Sign. |
| ! | Factorial Sign. |
| \ | Therefore |
| ¥ | Infinity |
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