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Example 2:
Find the roots of 4x
highest–order term must be 1, divide that coefficient into each of the other
coefficients.
Keys:
(In RPN mode)
t
P
¥
4
z Ï
8
¯ ¥
z Ï
13
¯ ¥
z Ï
10
¯ ¥
Ï
22
4
¥
¥
¥
¥
¥
¥
The third and fourth roots are –1.00 ± 1.00 i.
File name 33s-E-Manual-1008-Publication(1st).doc
Printed Date : 2003/10/8
4
3
2
– 8x
– 13x
– 10x + 22 = 0. Because the coefficient of the
Display:
value
value
4
value
4
value
4
value
¯
Size : 13.7 x 21.2 cm
Description:
Starts the polynomial root finder;
prompts for order.
Stores 4 its F; prompts for D.
Stores –8/4 in D; prompts for C.
Store –13/4 in C. prompts for B.
Stores –10/4 in B; prompts for A.
Stores 22/4 in A; calculates the
first root.
Calculates the second root.
Displays the real part of the third
root.
Displays the imaginary part of the
third root.
Displays the real part of the fourth
root.
Displays the imaginary part of the
fourth root.
Mathematics Programs
Page : 386
15–31
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