(HP65) Factorial and Gamma Function
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10-21-2017, 08:32 AM
(This post was last modified: 10-26-2017 05:10 AM by Gamo.)
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(HP65) Factorial and Gamma Function
Just noticed that HP 65 cannot calculate decimal Factorial and HP67 app for Android also cannot do it.
Here is a handy program using Stirling's approximation for Factorial and Gamma Function. This approximation is good for x<70 Program: Code:
Instruction: 1. Press [A] Initialize 2. Press [E] for x! Example: [A] Initialize then 4.25 [B] result approximation 35.21 |
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