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Sharp EL-9900 Manual
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Sharp EL-9900 Manual

Sharp EL-9900 Manual

Graphing calculator basic keyboard activities general mathematics algebra programming advanced keyboard activities algebra calculus statistics trigonometry programming
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Download this manual See also: Operating Manual, User Manual
Sharp EL-9900
Graphing Calculator
Basic Keyboard Activities
General Mathematics
Algebra
Programming
Advanced Keyboard Activities
Algebra
Calculus
Statistics
Trigonometry
Programming

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Summary of Contents for Sharp EL-9900

  • Page 1 Sharp EL-9900 Graphing Calculator Basic Keyboard Activities General Mathematics Algebra Programming Advanced Keyboard Activities Algebra Calculus Statistics Trigonometry Programming...
  • Page 2 Sharp EL-9900 Graphing Calculator Advanced Keypad EL-9900 T B L S E T D R AW SPLIT F O R M AT S U B C A L C TABLE WINDOW ZOOM GRAPH TRACE O P T I O N...

  • Page 3: Graphs Of Trigonometric Functions

    (csc) and press X/θ/T/n . 3. Continue to use the sine function's built-in viewing range. 4. Press GRAPH to view the graph. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

  • Page 4: Evaluating Trigonometric Functions

    6. Once again, trace over near x = 1.047. Zoom in one more time to see an even π better approximation. The y value of .866 approximates sin ( Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
  • Page 5 = 20° since it is the middle of the x values. The approximate for tan 20° is .36397. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

  • Page 6: Graphical Verification Of Formulas And Identities

    E (TRIG) 1 (sin x). 6. They appear as one graph. An invalid formula or identity would result in two graphs. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
  • Page 7 7. Press GRAPH to view the graphs. Notice that the -2 in front of the sine function makes the curve reflect on the x-axis and makes the curve oscillate between -2 and 2. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
  • Page 8 2. Press GRAPH to view the graphs. Observe and note the changes in sin x when you change the phase shift. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

  • Page 9: Inverse Trigonometric Functions

    Y1 by pressing 2ndF X/θ/T/n ENTER . 4. Set your viewing window by pressing ZOOM E (TRIG) and 4 (sin Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
  • Page 10 Y1 by pressing 2ndF X/θ/T/n ENTER . 3. Set your viewing window by pressing ZOOM E (TRIG) and 5 (cos Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

  • Page 11: Solving Trigonometric Equations

    8. Return to the original screen by pressing ZOOM H (RCL) and 1 (RclWin). Trace to find the right intercept. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
  • Page 12 (solutions), press TRACE , move the tracer right until it appears on the screen. Next, press 2ndF CALC 2 (Intsct). Do this several times. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

  • Page 13: Applications With Right Triangles

    7. Press ENTER to see the variable list. The value for θ and C will remain as before. Press ▼ to position the cursor over the B and press 2ndF to find B. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
  • Page 14 7. Press ENTER to see the variable list. The value of θ should be as before, so enter 8.6 for A and solve for C. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

  • Page 15: Law Of Sines

    The solution is displayed at the bottom of the screen. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

  • Page 16: Law Of Cosines

    8. Notice the left and right sides of the equation are displayed as equal values, and the L – R = 0. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

  • Page 17: Area Of A Triangle

    47 for θ. Move the cursor to the A variable. Press 2ndF EXE to solve for the area. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
  • Page 18 7, 8, and 9. The value for S will be 12. Enter these into the solver and press 2ndF EXE to find the area. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

  • Page 19: Area Of A Circular Sector

    .001 and remember that you should change it to a slightly larger value if an error message results. Press 2ndF EXE to find the area in square feet. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
  • Page 20 Enter a 20 for END so that the intersection of the two graphs is visible on the screen. 13. Press 2ndF EXE to find the area. Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

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