Program Copyright 2015 Yi XiaoPing.
If the Java applet on this webpage does not show up properly, please download the Sun Microstation HotJava 3.0 browser (or Java Runtime Environment JRE for a browser) from the following links:
(i) HotJava browser 3 (with JRE 1.1) for Windows, Solaris, Mac OS, Linux: http://java.sun.com/products/hotjava/3.0/index.html
(ii) JRE 1.1 or higher for internet browser in Windows, Solaris, Linux: http://java.sun.com/products/archive/j2se/1.3.1_03/jre/

Note that if you do not see the word "Moon Phase" and a circle shape below, then your world wide web browser does not support Java One applet.



(1) PI calculation with N side polygon:
(2) with initial PI: , trial range: , and following precision and number of term: Enter number of term of series: for
(3)
(4)
(5)