Pi• Pi is  , with numerical value  . • Pi can be entered as  ,  pi, p or \[Pi].
• Pi is printed as  .
• See also: Degree.
Examples Entering Commands DirectlyYou can paste a template for this command via the Text Input button on the Pi Function Controller. This is a numerical approximation of  /2. Numbers which are approximately equal to Pi will be displayed as .
Out[1]= |  |
This is a fundamental identity.
Out[2]= |  |
Ordinary Mathematical NotationThis also gives the fundamental identity.
Out[4]= |  |
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