Example – HP 39g Graphing Calculator User Manual
Page 246
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X1, Y1...X9,Y9
XO,YO
Parametric
R1...R9, RO
Polar
U1...U9, UO
Sequence
E1...E9, EO
Solve
Statistics
Can contain any expression. Independent variable is T.
Example
' S I N ( 4 * T ) ' ► Y 1 ( T ) : ' 2 * S I N ( 6 * T ) ' S T O ^
X I ( T )
Can contain any expression. Independent variable is 6.
Example
' 2 * S I N ( 2 * 6 ) ' ► R 1 ( 0 )
Can contain any expression. Independent variable is N.
Example
RECURSE ( U , U ( N - 1 ) * N , 1 , 2 ) ► U 1 ( N )
Can contain any equation or expression. Independent variable
is selected by highlighting it in Numeric View.
Example
' X + Y * X - 2 = Y ' ► El
Defines the type of fit to be used by the FIT operation in
drawing the regression line.
From Symbolic Setup view, specify the fit in the field for
SI FIT, S2FIT, etc.
or
111
a program, store one of the following constant names or
numbers into a variable S l f i t , S 2 f i t , etc.
1. Linear
2 . LogFit
3 . ExpFit
4 . Power
5 . QuadFit
6 . Cubic
7 . Legist
8. User d e f i n e d
Example
Cubic ► S 2 f i t
or
5 ► S 2 f i t
15-38
Programming