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15–30 Mathematics Programs
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
A through E Coefficients of polynomial; scratch.
F Order of polynomial; scratch.
G Scratch.
H Pointer to polynomial coefficients.
X The value of a real root, or the real part of complex root
i The imaginary part of a complex root; also used as an index
variable.
Example 1:
Find the roots of x
5
– x
4
– 101x
3
+101x
2
+ 100x – 100 = 0.
Keys:
(In RPN mode)
Display: Description:
t
P
value
Starts the polynomial root finder;
prompts for order.
5
¥
value
Stores 5 in F; prompts for E.
1
z
¥
value
Stores –1 in
E; prompts for D.
101
z
¥
value
Store –101 in
D. prompts for C.
101
¥
value
Stores 101 in
C; prompts for B.
100
¥
value
Stores 100 in B; prompts for A.
100
z
¥
Stores –100 in A; calculates the
first root.
¥
Calculates the second root.
¥
Displays the third root.
¥
Displays the fourth root.
¥
Displays the fifth root.