PiCalc
Details
Application Name 
PiCalc 


Version 
1.01 


Developer 



License Type 
Freeware The program is completely free to use. 


Community Rating 
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Summary 
Calculates pi anywhere from 1 to 20000 decimal places. 


Category(s) 

Screenshots & Images


Description 
Calculates pi anywhere from 1 to 20000 decimal places.
Now why would anyone want to do that?
Here's one: Benchmarking!!! Check out how long your HPC's CPU takes to do pi to 1000 decimal places. Or you can run the PC version and see how your HPC compares to it...
On my: HP 320LX 9.2 seconds Cyrix P166+ 0.8 seconds
However, keep in mind that CPU speed is only one of the many factors that contribute to the overall performance of your HPC. Others, such as speed of the display, as often just as important.
Scientists have always made their supercomputers do pi. Now you can watch your HPC crank away at full steam for halfanhour or more!!! Heeheehee...
After entering the number of decimal places required  the program starts cranking. As it runs, the program displays the time elapsed, as well as the number of terms calculated. The program will stop when it has reached the required accuracy.
Once the calculation has completed, you can view the results or save it to a text file.
Note that the last few digits of the calculation are usually not accurate due to rounding errors; for example, if you want pi to 1000 decimal places, make PiCalc do 1005, and throw away the last 5 digits.
I do not guarantee the accuracy of pi generated by this program; however the first 200 or so places look correct to me :)
 Usage Notes 
The program uses only integer math (i.e. no floating point) in its calculations.
The formula used to calculate pi is based on some trigonometric series expansion with an infinite number of terms. It's not the most efficient way to calculate pi, but it's certainly not the worst either.
The number of terms needed is approximately: No. of terms (approx) = No. of digits x 1.6
 What's New 
v1.01 1 Dec 98 Updated the URL (and did a StrongARM version)
v1.00 25 Apr 98 First release 


Installation Instructions 
To install, simply unzip the file, and copy the executable directly into your H/PC. There is no setup program. Do not run the executable on your desktop PC! 


Tags 
calculator, pi, benchmark 


Popularity 
794 
Total Downloads 
58 


Submitted By 
C:Amie 
Submitted On 
04 January 2013 
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