Tangent lines, Continued) – Sharp EL-9900 User Manual

Page 80

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5

Advanced Keyboard/CALCULUS USING THE SHARP EL-9900

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

Continue to enter the TANGENT program.

Print "M=

PRGM 1 PRGM 2 ALPHA M ALPHA = ENTER

Print M

PRGM 1 ALPHA M ENTER

Print "B=

PRGM 1 PRGM 2 ALPHA B ALPHA = ENTER

Print B

PRGM 1 ALPHA B ENTER

End

PRGM 6 ENTER

5.

Press 2ndF QUIT to save the program and exit the editing mode.

6.

Enter f(x) =x

3

x

2

+1 for Y1 by pressing Y= CL X/

θ/T/n a

b

3

X/

θ/T/n x

2

+ 1 ENTER .

7.

Execute the TANGENT program by pressing PRGM A (EXEC) and

selecting TANGENT.

8.

Enter an X of 1 by pressing 1 ENTER . You should then see the equation

for the tangent line to the curve at x = 1.

9.

You can repeat this process for other x values. Press ENTER to execute the

program over and over again.

10. 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 corrections by pressing ENTER .

Press 2ndF QUIT and try executing the program again.

TANGENT LINES

(continued)

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