CASIO fx5500 Scientific Calculator: The 1st "C.A.S." pocket calculator?

02232017, 12:43 PM
Post: #9




RE: CASIO fx5500 Scientific Calculator: The 1st "C.A.S." pocket calculator?
I have checked a few calculations but it seems that it doesn't matter whether the dedicated square key "x^2" or the natural power key "x^n" are used. The results are the same.
Probably the reason is that a dedicated "x^2" key is faster to use (single key entry) than having to press two keys to get the same entry value ("x^n", "2" ). Also, using the function "x^Y" (accessed using shift over the same "x^n" key) will also give the same results. The function key "x^Y" allows to enter real numbers in the exponent, whereas the "x^n" only allows to enter natural digits. Jose Mesquita RadioMuseum.org member 

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