Name: operation (opt) Type:enum Default: 0 Note: Specifies the constant type including
0: pi (default) – return the Pi (3.141593) value.
1: e – the e (2.718282) value.
2: golden ratio – the golden ratio (1.618034) value.
3: euler gamma – the euler gamme (0.577216) value.
4: degree – the degree (0.0174533) value.
5: catalan – the catalan (0.915966) value.
6: glaisher – the glaisher (1.282427) value.
7: khinchin – the khinchin (2.685452) value.
8: parabolic – the parabolic (2.295587) value.
Name: output (out) Type: double Default: 3.141593 Note: The output value.