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older HP calculators
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07-06-2017, 02:43 PM
(This post was last modified: 07-06-2017 02:46 PM by SlideRule.)
Post: #2
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RE: older HP calculators
GOOGLE® HP Champion series calculator
18c 19b 19b II (3 variants) 28c 28s for HP folding models however, for the sake or full inclusion, other manufacturers also marketed folding {w/ a central spine} calculator(s), both horizontal & vertical. BEST! SlideRule |
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older HP calculators - Katy Brocksmith - 07-06-2017, 02:31 PM
RE: older HP calculators - SlideRule - 07-06-2017 02:43 PM
RE: older HP calculators - striegel - 07-07-2017, 12:31 AM
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