Radio Shack TRS-80 PC-3

Program Title: NEWTON'S METHOD FOR FINDING ROOTS OF EQUATIONS
OVERVIEW (mathematical)
Finding the roots of equations is usually troublesome, but by using Newton's Method, the approximate roots of equations can
be
found.
When 1 root is found, depending on the interval width, by using Newton's Method, the starting point automatically changes.
CONTENTS
If the absolute value of the distance between X
n
and X
n
+1 is less than 10-
8
,
X
n
is considered a root and is displayed. Here,
the first derivative is defined in the fol/owing way;
f'(X) = f(X+h)-f(X)
h
(h is the minute interval)
Change
IE-8 in line 340 to change the value for 10-
8
.
243