In English-speaking countries, March 14th is written 3.14, so this date has become "PI DAY".
To have fun calculating different approximations of PI, there are many solutions...
The programs range from very few steps to a huge number of steps.
So I had fun !
The programs
TI-58C
TI-84PlusCE
HP-10C
HP-11C
HP-12C
HP-15C
HP-16C
HP-29C
HP-41C
HP-65
DM42
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