Contents

Chapter 4

 

Basic Graphing Features — Basic Keyboard

50

1.

Try it!

50

2.

Explanations of Various Graphing Keys

52

3.

Other Useful Graphing Features

58

 

Substitution feature

63

Chapter 5

 

Advanced Calculations — Advanced Keyboard

66

1.

Try it!

66

2.

Various Calculation Keys

67

3.

Calculations Using MATH Menu

70

4.

More Variables: Single Value Variables and LIST Variables

80

5.

TOOL Menu

81

6.

SETUP Menu

83

Chapter 6

 

Advanced Graphing Features — Advanced Keyboard

84

1.

Try it!

84

2.

Graphing Parametric Equations

87

3.

Polar Graphing

88

4.

Graphing Sequences

89

5.

The CALC Function

93

6.

Format Setting

95

7.

Zoom Functions

96

8.

Setting a Window

98

9.

Tables

99

10. The DRAW Function

102

11. Substitution Feature

114

Chapter 7

 

SLIDE SHOW Feature

115

1.

Try it!

115

2.

The SLIDE SHOW menu

118

Chapter 8

 

Matrix Features

120

1.

Try it!

120

2.

Entering and Viewing a Matrix

122

 

Editing keys and functions

123

3.

Normal Matrix Operations

124

4.

Special Matrix Operations

125

 

Calculations using OPE menus

125

 

Calculations using MATH menus

129

 

Use of [ ] menus

130

v

Page 7
Image 7
Sharp EL-9900 operation manual Chapter Slide Show Feature 115, Chapter Matrix Features 120

EL-9900 specifications

The Sharp EL-9900 is a remarkable scientific calculator that exhibits a fusion of advanced features, cutting-edge technology, and an ergonomic design tailored for both students and professionals. One of the standout characteristics of the EL-9900 is its extensive range of functions, boasting over 550 built-in calculations that cover various mathematical and scientific disciplines. This calculator is particularly popular among engineering and physics students due to its ability to handle complex calculations with ease.

One of the key features of the EL-9900 is its 2-line display, which allows users to view both the input and the result simultaneously. This dual display enhances usability, especially when dealing with intermediate steps in calculations. The calculator also includes a built-in 12-digit LCD screen, which ensures clarity and precision in reading numbers, making it easier for users to work for extended periods without straining their eyes.

The EL-9900 is equipped with a wide array of mathematical functions, including trigonometric, logarithmic, and exponential functions. Notably, it supports fraction calculations, statistical analyses, and unit conversions. Its advanced programming capabilities, such as 36 programmable functions and the ability to store data, further enhance its functionality, allowing users to create custom calculations tailored to specific needs.

One of the more modern technologies incorporated into the EL-9900 is its solar-powered function, which is complemented by a battery backup, ensuring that the device remains operable in varied lighting conditions. This environmentally friendly design reduces the need for frequent battery replacements, making it a cost-effective choice for users.

In terms of design, the Sharp EL-9900 boasts a slim profile and lightweight construction, which makes it portable and easy to carry. Its durable casing ensures that it can withstand the rigors of daily use, whether in a classroom setting or a professional environment.

Overall, the Sharp EL-9900 stands out as a versatile scientific calculator packed with features designed to meet the needs of students and professionals alike. Its robust functionality, clear display, and user-friendly design make it a reliable tool for anyone engaged in mathematical and scientific pursuits. Whether used for basic calculations or advanced problem-solving, the EL-9900 remains a powerhouse in the realm of scientific calculators.