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The main program is 58 lines long and uses registers Rs through Rg
and labels A, F, 7, 8, and 9. The remaining program lines, registers,
and labels can be used for defining f(x).
Program Instructions:
1-
5.
7.
Press (\y] [PRGM], then (]
B to load the program. Then
press (9] (o] once to move to the last line of the program.
After the LBL F on line 58 (58- 61 41 F), enter the keystrokes to
calculate the value of f(x) using a value of x in the display. See
the example below.
Press [9] [PRGM].
Enter the lower limit of integration (x) and press
5 to save
it in R5.
Enter the upper limit of integration (x,) and press
6 to save
To calculate the integral, enter the number of integration inter-
vals and press
(A]. This number must be an even, positive
integer.
To enter a new function, repeat the instructions starting at
step 1.
Example: Calculate the integral of f(x) = x® — x — 1 from x; = 0 to
x, = 3 using 8 integration intervals.
Keys:
Display:
Description:
() (Frem) (S)
Loads program.
B
int
00-
(] (a]
58- 61 41 F
Displays label for be-
ginning of f(x) routine.
0
59- 210
Starts f(x) routine;
saves X.
60- 14
6
61- 6
=]
62- 65
x®.
92
7: Built-in Program Library
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