HP 33s - Manual (Page 330)

D–6 More about Solving
f (x)
x
a
f (x)
x
b
Special Case: A Discontinuity and a Pole
Example: Discontinuous Function.
Find the root of the equation:
IP(x) = 1.5
Enter the equation:
Keys: Display: Description:
| H
 Selects Equation mode.
| " L X |
` | ’ 1.5
‘


 1%2/) Enter the equation.
| 
/
/  Checksum and length.
‡
 Cancels Equation mode.
Now, solve to find the root:
Keys: Display: Description:
0 I X
5

_ Your initial guesses for the root.
| H
 1%2/) Selects Equation mode; displays
the equation.