
| 『Throw coins to find an approximate value of pi !(VB)』 | 
| 『Throw coins to find an approximate value of pi!(Java)』 | 
| 『Scatter sesame seeds to find an approximate value of pi!(VB)』 | 
| 『Scatter sesame seeds to find an approximate value of pi!(Java)』 | 
| 『Scatter needles to find an approximate value of pi!(VB)』 | 
| 『Scatter needles to find an approximate value of pi!(Java)』 | 
| Simulation Throw Coins to Find an Approximate Value of Pi! | 
| Interesting "Android App"! |