HP F2216A hp 33s_user's manual_English_E_HDPM20PIE56.pdf - Page 328
An Equation with Two Roots., D-4
UPC - 082916014555
View all HP F2216A manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 328 highlights
Keys: Display: Description: |H 2 ^z L X 3 4 z L X 2 6 zLX 8 | Select Equation mode. Enters the equation. Checksum and length. Cancels Equation mode. Now, solve the equation to find the root: Keys: Display: Description: 0 I X 10 |H X .) . Initial guesses for the root. Selects Equation mode; displays the left end of the equation. Solves for X; displays the result. Final two estimates are the same to four decimal places. f(x) is very small, so the approximation is a good root. Example: An Equation with Two Roots. Find the two roots of the parabolic equation: x2 + x - 6 = 0. Enter the equation as an expression: Keys: Display: Description: |H LX 2 L X 6 %:-%. Selects Equation mode. Enters the equation. D-4 More about Solving
Dā4
More about Solving
Keys:
Display:
Description:
Select Equation mode.
2
X
3
4
X
2
6
X
8
Enters the equation.
Checksum and length.
Cancels Equation mode.
Now, solve the equation to find the root:
Keys:
Display:
Description:
0
X 10
_
Initial guesses for the root.
Selects Equation mode;
displays the left end of the
equation.
X
Solves for
X
; displays the
result.
Final two estimates are the
same to four decimal places.
f(x)
is
very
small, so the
approximation is a good root.
Example:
An Equation with Two Roots.
Find the two roots of the parabolic equation:
x
2
+
x
ā 6 = 0.
Enter the equation as an expression:
Keys:
Display:
Description:
Selects Equation mode.
X
2
X
6
Enters the equation.