Re: factorial

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: factorial
From: DvorakEASE <DvorakEASE@AOL.COM>
Date: Sat, 24 Jan 1998 11:40:20 EST
Comments: To: wangm@SLIP.NET
Organization: AOL (http://www.aol.com)
Reply-To: DvorakEASE <DvorakEASE@AOL.COM>

In a message dated 98-01-24 01:06:03 EST, you write:

<<
 does anyone know how the calculators calculate the factorial of a
 floating number, like 2.1!=2.19762...?
  >>

Factorials of "floaters" are closely related to gamma functions.  You need to
ask about algos for doing them.   Abramowitz & Stegun, chapter six, will tell
you more than you ever wanted to know, probably including approximations you
can program.

I have a copy of Abramowitz & Stegun for sale for $25.

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