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