• Pi is , with numerical value .
• Pi can be entered as , pi, p or \[Pi].
• Pi is printed as .
• See also: Degree.
Entering Commands Directly
You 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 .
This is a fundamental identity.
Ordinary Mathematical Notation
This also gives the fundamental identity.