HP 33s User Manual page 333

f (x)
a
Example: A Relative Minimum.
Calculate the root of this parabolic equation:
It has a minimum at x = 3.
Enter the equation as an expression:
Keys:
º d
h )
X 2
à ¸ h
6 X
Ï
13
º Î
x
f (x)
Case Where No Root Is Found
2
x – 6 x + 13 = 0.
Display:


Ù




f (x)
x
c
Description:
Selects Equation mode.
Enters the equation.
Checksum and length.
More about Solving
x
b
D–9