Approximate pi to 24 digits via keyboard

[Rick314]

(01-30-2015 07:22 PM)PANAMATIK Wrote:  This does not work on any classic HP-35, HP-45 ... or woodstock calculators HP-21,HP-25,HP-27 ... with 56-bit BCD arithmetik.

Interesting, so I checked several HP calculators I have available. It works on the HP-22S, HP-28S, HP-32SII and HP-35S. It doesn't work on the HP-67 or HP-41CX.