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A Different Way to Solve Quadratic Equations
04-02-2021, 08:36 PM (This post was last modified: 04-03-2021 09:28 AM by floppy.)
Post: #2
RE: A Different Way to Solve Quadratic Equations
my RPN HP41 way..
Quote:LBL 'RAC'
RDN
CHS
ST/ Z
ST+ X
/
STO Z
STO T
X^2
+
SQRT
ST- Z
+
solving a.X² +b.X+c = 0 ?
Quote:c
ENTER
b
ENTER
a
ENTER
XEQ "RAC"
The results X1 and X2 are in the stack X and Y.
Only solution in complex? error will appear.
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RE: A Different Way to Solve Quadratic Equations - floppy - 04-02-2021 08:36 PM



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