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Retro Review: HP 20S and HP 21S
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Retro Review: HP 20S and HP 21S
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Retro Review: HP 20S and HP 21S
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04-08-2017, 01:33 AM
Post: #4
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RE: Retro Review: HP 20S and HP 21S
I believe a user can key in the time value of money program from the 21S into the 20s and it will work as-is.
As you mention, you just cannot save it into permanent memory. Only the "continuous memory" in the machine. |
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| Messages In This Thread |
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Retro Review: HP 20S and HP 21S - Eddie W. Shore - 04-08-2017, 12:15 AM
RE: Retro Review: HP 20S and HP 21S - nsg - 04-08-2017, 12:26 AM
RE: Retro Review: HP 20S and HP 21S - Eddie W. Shore - 04-08-2017, 01:34 AM
RE: Retro Review: HP 20S and HP 21S - Dan B - 04-08-2017, 01:04 AM
RE: Retro Review: HP 20S and HP 21S - Gene - 04-08-2017 01:33 AM
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