Sharp EL9900 manual Contents

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Contents

1. Fractions

1-1Fractions and Decimals

2. Pie Charts

2-1Pie Charts and Proportions

3. Linear Equations

3-1Slope and Intercept of Linear Equations

3-2Parallel and Perpendicular Lines

4. Quadratic Equations

4-1Slope and Intercept of Quadratic Equations

5. Literal Equations

5-1Solving a Literal Equation Using the Equation Method (Amortization)

5-2Solving a Literal Equation Using the Graphic Method (Volume of a Cylinder) 5-3Solving a Literal Equation Using Newton’s Method (Area of a Trapezoid)

6. Polynomials

6-1Graphing Polynomials and Tracing to Find the Roots 6-2Graphing Polynomials and Jumping to Find the Roots

7. A System of Equations

7-1Solving a System of Equations by Graphing or Tool Feature

8. Matrix Solutions

8-1Entering and Multiplying Matrices

8-2Solving a System of Linear Equations Using Matrices

9. Inequalities

9-1Solving Inequalities

9-2Solving Double Inequalities

9-3System of Two-Variable Inequalities

9-4Graphing Solution Region of Inequalities

10.Absolute Value Functions, Equations, Inequalities

10-1Slope and Intercept of Absolute Value Functions 10-2Solving Absolute Value Equations

10-3Solving Absolute Value Inequalities

10-4Evaluating Absolute Value Functions

11.Rational Functions

11-1Graphing Rational Functions

11-2Solving Rational Function Inequalities

12. Conic Sections

12-1Graphing Parabolas

12-2Graphing Circles

12-3Graphing Ellipses

12-4Graphing Hyperbolas

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Contents EL-9900 Contents Read this first Always read Before StartingUsing this Handbook IntroductionFractions and Decimals ExamplePie Charts and Proportions BeforeSlope and Intercept of Linear Equations 1Enter the equation y = x for Y2 Parallel and Perpendicular Lines 2View the graphs Slope and Intercept of Quadratic Equations 1Change the equation in Y2 to y = x 2+2 1Access the Solver feature This screen will appear a few 4Enter the values L=15,000, I=0.09, N=48 Access the Solver feature 10π 200 15 π1Access the Solver feature 5Solve for the height and enter a starting point Graphing Polynomials and Tracing to Find the Roots 1Move the tracer near the left-hand root Graphing Polynomials and Jumping to Find the Roots = x 4 + x 3 5x 2 3x +Find the next root Solving a System of Equations by Graphing or Tool Feature 1Access the Tool menu. Select the number of variables Entering and Multiplying Matrices 1Multiply the matrices a and B together at the home screen Solving a System of Linear Equations Using Matrices 2Calculate B-1C Solving Inequalities EL-9900 Graphing Calculator = 2x 5 Solving Double Inequalities2x 5 ≥ = 2x 5 and y = 7 intersect at 6,7 + y ≤ + y ≤2x + y ≥ + 2y ≤ 1 x 2 + y ≥ + 2y ≤ 1 y ≤ +y ≥ 4 y ≥ 4 xContinuing key operations omitted Slope and Intercept of Absolute Value Functions If x ≥3View the graph Solving Absolute Value Equations Solve an absolute value equation 5 4x =Solving Absolute Value Inequalities = 10, y =2nd F Calc 2 x = = 9.999999999 Note Evaluating Absolute Value Functions +3 1+3Math Graphing Rational Functions + 1x Solving Rational Function Inequalities Graphing Parabolas = y 2 + 2 = y = +√ x +Change to parametric mode 2x + y 2 + 4y = Graphing CirclesGraph x 2 2x + y 2 + 4y = 2x + y+22 =For Y1 = Y1 2 for Y2, and y = -Y1 -2 for Graphing Ellipses View the graph Graphing Hyperbolas Zoom out the screen Key pad for the Sharp EL-9900 Calculator Key pad for the Sharp EL-9900 Calculator Sharp Graphing Calculator Step Sharp Corporation OSAKA, Japan