Scientific calculators that have formula/equation memory

12062017, 01:30 PM
Post: #7




RE: Scientific calculators that have formula/equation memory
The 42S solver requires a program something like this... for X+Y=5
LBL AA MVAR X MVAR Y RCL X RCL Y + 5  RTN or some such... as I recall  it has been a while. :) Please excuse me if that's not quite right above. You have to declare all your variables using the MVAR (memory variable) function then write an RPN expression evaluating the function to = 0. The MVAR will create the SOLVER menu labels when you enter the solver and choose AA as the program for it. It will then display menu labels for X and Y. So, doable, but not quite the same. 

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