4.7 Constants
Constants behave pretty much like symbols except that they return some
specific number when the method .evalf() is called.
The predefined known constants are:
| Name | Common Name | Numerical Value (to 35 digits)
| Pi
| Archimedes' constant
| 3.14159265358979323846264338327950288
| Catalan
| Catalan's constant
| 0.91596559417721901505460351493238411
| Euler
| Euler's (or Euler-Mascheroni) constant
| 0.57721566490153286060651209008240243
|
|