HP21 uses same RAM chip as HP25?

[vassilisprevelakis]

(05-21-2019 11:56 AM)Didier Lachieze Wrote:  The ACT includes 8 memory registers, so the 21 doesn't need a dedicated RAM chip as there is only 1 user memory register in addition to the stack. T

Yes, note that the HP-21 does not have a LASTx Register. Probably the HP marketing dept thought that having a separate memory was better than having LASTx.

Go figure.

**vp

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