Symbols relating to algebra and linear algebra
The following symbols may be used anywhere in text∶
Description | Symbol | Grafstate code | |||
|---|---|---|---|---|---|
| ∠ | /_ | |||
| ∟ | |_ | |||
| ⊿ | /_| | |||
| ∥ | || | |||
| ∦ | !|| | |||
| ⊥ | _|_ | |||
| ⊥̸ | !_|_ | |||
| ∣ | | | |||
| ∤ | !| | |||
| ∘ | \@ | |||
| ≡ ≅ | == ~= | |||
| ≢ ≇ | !== !~= | |||
| · | \. | |||
| \* | ||||
| ± | +- | |||
| -1 | ~1 | |||
| \oo | ||||
| @`{turn left`} | ||||
| @`{turn right`} |
 | The vertical bar is used to mean divides in the statement a divides b (written a∣b). The vertical bar may also be used in set notation to separate the subject of a set from its predicate (e.g., {x∣x∈A⋁x∈B}). |