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Retro Review: BA-55
02-21-2018, 09:02 AM
Post: #11
RE: Retro Review: BA-55
(02-20-2018 10:46 PM)Massimo Gnerucci Wrote:  
(02-20-2018 09:54 PM)martinot Wrote:  Trivia question: I wonder when (year? calculator model) TI changed their mind and went from printing [y^x] to [x^y] on the power key?

Don't know about TI but HP went from x^y (HP 35) to y^x (HP 80) in 1973.

Which makes sense (from an RPN perspective, and the order of arguments on the stack).

HP 35s, HP 50g, HP Elite X3, SwissMicros DM42
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Messages In This Thread
Retro Review: BA-55 - Eddie W. Shore - 02-19-2018, 08:57 PM
RE: Retro Review: BA-55 - Gene - 02-19-2018, 09:34 PM
RE: Retro Review: BA-55 - Gene - 02-19-2018, 09:39 PM
RE: Retro Review: BA-55 - Eddie W. Shore - 02-20-2018, 01:42 PM
RE: Retro Review: BA-55 - martinot - 02-19-2018, 10:01 PM
RE: Retro Review: BA-55 - Eddie W. Shore - 02-20-2018, 01:41 PM
RE: Retro Review: BA-55 - martinot - 02-20-2018, 09:54 PM
RE: Retro Review: BA-55 - Massimo Gnerucci - 02-20-2018, 10:46 PM
RE: Retro Review: BA-55 - martinot - 02-21-2018 09:02 AM
RE: Retro Review: BA-55 - Gene - 02-20-2018, 11:06 PM
RE: Retro Review: BA-55 - Eddie W. Shore - 02-21-2018, 03:00 AM
RE: Retro Review: BA-55 - martinot - 02-21-2018, 09:11 AM
RE: Retro Review: BA-55 - Eddie W. Shore - 02-21-2018, 01:29 PM
RE: Retro Review: BA-55 - martinot - 02-24-2018, 12:57 AM
RE: Retro Review: BA-55 - Gene - 02-21-2018, 01:18 PM



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