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Applications 11-5
5. Press
+
and
move the cursor close to the left root.
The variables X and Y are updated as you move the cursor.
6. From a blank line on the Home screen, execute the
program
NEWTON
.
7. Enter
X
as the initial guess, and press
¸
repeatedly.
The program stops when the relative difference between
the new root estimate and the previous root estimate is
less than X
í
L
10.
8. When program execution is complete, evaluate the
function at the estimated root.
Repeat the steps in this procedure to find the other root.