Little explorations with HP calculators (no Prime)
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05-29-2017, 12:04 AM
Post: #215
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RE: Little explorations with the HP calculators
(05-28-2017 10:50 PM)pier4r Wrote: Both questions are still open, although due to some searches on the forum I realized that it is likely that whatever book about userRPL, aside from the focus on functions that may have changes, is helpful. So I should not restrict myself to the AUR only. From the 50g User Manual, p. 2-9: Quote:Variables are referred to by their names, which can be any combination of alphabetic and numerical characters, starting with a letter (either English or Greek). Some non-alphabetic characters, such as the arrow (→) can be used in a variable name, if combined with an alphabetical character. Thus, ‘→A’ is a valid variable name, but ‘→’ is not. Valid examples of variable names are: ‘A’, ‘B’, ‘a’, ‘b’, ‘α’, ‘β’, ‘A1’, ‘AB12’, ‘A12’, ’Vel’, ’Z0’, ’z1’, etc. As far as books to learn RPL, I believe the best are Bill Wickes books ( Vols-1 & 2 for the 48SX and Revised Vol-1 for the GX). Other books have longer and/or better catalogs of functions, etc. but no book I've ever found does a better job at explaining some of the elegant and subtle aspects of RPL, explained through non-trivial and quite useful examples. All 3 of these books are included in the MoHPC Document Set, though as always the real books are more satisfying (though not cheap!). --Bob Prosperi |
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