Sharp EL-9400, EL-9600c, EL-9650 manual = -4, y =, 2Set up shading

Page 42

EL-9650/9600c/9450/9400 Graphing Calculator

Step & Key Operation

Display

Notes

(When using EL-9650/9600c)

(When using EL-9650/9600c)

 

*Use either pen touch or cursor to operate.

 

 

2-1Enter the function

y=3.5x + 4for Y1. Enter y = 10 for Y2.

 

Y=

 

CL

 

 

MATH

 

 

B

*

 

 

 

 

 

 

 

 

 

 

 

 

3

• 5

 

 

 

 

 

 

+

 

 

X/ /T/n

 

1

0

 

 

 

 

 

 

 

 

 

 

2-2Set up shading.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2nd F

 

DRAW

 

 

G

*

1 *

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1*

4

ENTER *

Since the inequality you are solving is Y1 > Y2, the solu- tion is where the graph of Y2 is “on the bottom” and Y1 in

* * *

2-3Set viewing window to “-10 < x < 10” and “-5 < y < 50” using Rapid Window feature and view the graph.

“on the top.”

WINDOW EZ 2 ENTER *

3 ENTER *

5 ENTER *

2-4Find the points of intersection. Solve the inequality.

 

 

 

2

 

x = -4, y = 10

2nd F

 

CALC

*

 

 

 

 

x = 1.714285714

 

 

 

 

 

2nd F

 

CALC

2

*

 

 

 

 

 

y = 9.999999999 ( Note)

The intersections are (-4, 10) and (1.7, 10.0). The solution is all values of x such that

x <- 4 or x >1.7.

( Note: The value of y in the intersection of the two graphs may not appear exactly as 10 as shown in the example, due to an error caused by approxi- mate calculation.)

The EL-9650/9600c/9450/9400 shows absolute values with , just as written on paper, by using the Equation editor. Graphical solution methods not only offer instructive visualization of the solution process, but they can be applied to inequalities that are often difficult to solve algebraically. The Shade feature is useful to solve the inequality visually and the points of intersection can be obtained easily.

8-4

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Contents EL-9650/9600c/9450/9400 Contents Read this first Always read Before StartingUsing this Handbook IntroductionSlope and Intercept of Linear Equations Enter 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 Shifting a Graph of Quadratic Equations 1Move the graph y = x 2 to the right by 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 15π1Access 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 EL-9650/9600c/9450/9400 Graphing Calculator Solving a System of Equations by Graphing or Tool Feature 1Access the Tool menu. Select the number of variables Entering and Multiplying Matrices Enter a 3 x 3 matrix B Solving a System of Linear Equations Using Matrices 17 0.83 = 0.5 0.5 17 0.17 Solving Inequalities 1Enter y = 34 2x for Y1 and y = 5 x for Y2 Solving Double Inequalities 2x 5 ≥= 2x 5 and y = 7 intersect at 6,7 System of Two-Variable Inequalities + y ≤Graphing Solution Region of Inequalities + y ≥Continuing key operations omitted Slope and Intercept of Absolute Value Functions If x ≥3View the graph Shifting a graph of Absolute Value Functions = x y = Solving Absolute Value Equations Solve an absolute value equation 5 4x =Solving Absolute Value Inequalities 2Set up shading = -4, y =Evaluating Absolute Value Functions Evaluate Graphing Rational Functions + 1x Solving Rational Function Inequalities Graphing Parabolas = y 2 + 2 = y = +- √ x +1Change to parametric mode Graphing Circles Graph x 2 2x + y 2 + 4y =3Turn off Y1 so that it will not graph Graphing Ellipses View the graph in the new window Graphing Hyperbolas Zoom out the screen Key pad for the Sharp EL-9650/9600c Calculator Key pad for the Sharp EL-9450/9400 Calculator We thank you for your cooperation in this project Step Sharp Corporation OSAKA, Japan
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EL-9650, EL-9600c, EL-9400 specifications

The Sharp EL-9400 and EL-9450 are advanced programmable scientific calculators designed for professionals and students alike. Renowned for their versatile functionality and user-friendly interface, these calculators are popular in the fields of engineering, mathematics, and the sciences.

One of the hallmark features of the EL-9400 and EL-9450 is their extensive range of built-in functions. These calculators allow users to perform a variety of mathematical operations, including basic arithmetic, statistical calculations, complex number operations, and calculus functions. They support both decimal and fraction calculations, making them suitable for diverse mathematical applications.

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With their advanced graphing capabilities, these calculators allow users to plot functions and analyze their behavior over a defined range. The graphing feature is user-friendly, offering options to zoom in and out, providing a better understanding of mathematical concepts and aiding in visualization.

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Overall, the Sharp EL-9400 and EL-9450 stand out as powerful tools for anyone needing a reliable computing resource. Their combination of programmable features, comprehensive function sets, and user-friendly design makes them invaluable assets for students and professionals engaged in advanced mathematics and scientific calculations. With these calculators, users are equipped to tackle challenges and explore complex mathematical concepts with confidence.