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Program for rectangular approximation of area, Continued) – Sharp EL-9900 User Manual

Page 90

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Advanced Keyboard/CALCULUS USING THE SHARP EL-9900

Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

Executing a program

3.

Enter the function f(x) = cos x, by pressing Y= CL cos X/

θ/T/n .

Press ENTER CL to clear additional prompts.

4.

Execute the RECTAPP program, press PRGM A , highlight the

'RECTAPP' program, and press ENTER . Enter 'N' of 5 by pressing 5

ENTER , followed by 'A' of 0 and 'B' of 1. You will see a display of left,

midpoint and right rectangular approximations for the area under the

cosine function between 0 and 1 with 5 intervals in the partition.

5.

You can repeat this process for a different number of partitions, different

limits, or another function. Press ENTER to execute the program over and

over again. Press CL to exit the program.

6.

If you receive an error statement, press or to go to the line within the

program in which the error occurs. Compare your line with the correct one

above to find the error. Correct the error using the editing features of the

calculator and save the program by pressing 2ndF QUIT . Try executing

the program again.

PROGRAM FOR RECTANGULAR
APPROXIMATION OF AREA

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