The Museum of HP Calculators
This program is by Alexis Ariel Dávalos Zuleta and is used here by permission.
This program is supplied without representation or warranty of any kind. Alexis Ariel Dávalos Zuleta and The Museum of HP Calculators therefore assume no responsibility and shall have no liability, consequential or otherwise, of any kind arising from the use of this program material or any part thereof.
The answer is:
For the program, uses two labels.
LBL D: Derivative in a point
LBL F: Function f(X)
Find the derivative of X^3+4*X^2+X-6 in X=3 whit the HP-35s.
XEQ D [ENTER]
A? 3 [R/S]
F001 LBL F F002 X^3+4*X^2+X-6 F003 RTN D001 LBL D D002 INPUT A D003 STO X D003 XEQ F001 D004 x<>y D005 0.000001 D006 + D008 STO X D009 XEQ F001 D010 x<>y D011 Clx D012 R(down) D013 - D014 0.000001 D015 / D016 +/- D017 RTN
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