The *q*-Analog of the Factorial (by analogy with the *q*-Gamma Function). For an integer, the -factorial is defined by

A reflection formula analogous to the Gamma Function reflection formula is given by

where is the

**References**

Gosper, R. W. ``Experiments and Discoveries in -Trigonometry.'' Unpublished manuscript.

© 1996-9

1999-05-25