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 ▼ J Noël Junior Member Posts: 3 Threads: 1 Joined: Feb 2011 02-02-2011, 11:32 AM I am new to HP programming and recently acquired a 35s. I was surprised to see it cannot do Quadratic Regression, so I wrote a basic program that will develop the twelve inputs necessary to use the built in 3*3 lin. solve equation. Q001 LBL Q Q002 CLVARS Q003 CLSTK Q004 SF 10 Q005 (eqn) QUADREG Q006 (eqn) TOTAL SETS Q007 PSE Q008 INPUT N Q009 STO N Q010 1 Q011 STO M Q012 (eqn) X Q013 PSE Q014 INPUT X Q015 STO X Q016 (eqn) Y Q017 PSE Q018 INPUT Y Q019 STO Y Q020 STO +D Q021 RCL X Q022 * Q023 STO +H Q024 RCL Y Q025 RCL X Q026 (X SQUARED) Q027 * Q028 STO +L Q029 RCL X Q030 STO +B Q031 STO +E Q032 (X SQUARED) Q033 STO +C Q034 STO +F Q035 STO +I Q036 RCL X Q037 3 Q038 (Y to the X) Q039 STO +G Q040 STO +J Q041 RCL X Q042 4 Q043 (Y to the X) Q044 STO +K Q045 RCL M Q046 STO +A Q047 RCL N Q048 RCL A Q049 X

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