HP HP-15C Advanced Functions Handbook

206 Appendix: Accuracy of Numerical Calculations
Keystrokes Display
mi TEST 13
[RcDHE
mi TEST |0
S
mriBLi.9
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43 33
44 25
43 11
30
43,30, 1
22 .9
16
11
42, 4,25
43,30, 2
45,30,25
43,30, 3
45,40,25
43,30, 0
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43 36
43 33
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43 32
42,21, .9
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45 25
43 33
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43 36
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42 25
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42 30
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42 30
43 32
The method uses d — b2 — ac.
If d < 0, then the roots are a complex conjugate pair

HP HP-15C Specifications

General

Brand	HP
Model	HP-15C
Category	Calculator
Language	English