Chapter 10: Statistics & Regression Calculations

Setting the

3.

The first line shows if the

graph drawing

 

graph drawing is on or off.

“on”

 

Initially, the graph drawing is

 

 

off. With the cursor pointer at

 

 

the “on” position, press

 

 

Eto set the graph

 

 

drawing on.

Selecting

4.

Press }to move the cursor to the next line (DATA).

whether 1-

5.

Select X for 1-variable plotting and press E.

variable plotting or 2-variable plotting

Select the list Determining ListX and Freq Frequency relates to the number of

number used times access occurred (L2) at the ListX stage. You can refer that

for graphing the Access of ListX (L1) hour occurred Freq (L2) number of times.

6.Press }to move the cursor to the next line (ListX).

7.The default list name for ListX is L1. If another list name is set, press @1to enter L1.

8.L1 is set to be used for x-axis items.

Setting the

9. Press }to move the

frequency

cursor to the next line (Freq).

 

10. Press @2to enter

 

L2.

Selecting the graph

Making a graph

11.Press }to move the cursor to the next line (GRAPH).

12.The graph format defaults to histogram, so if that is what is required, this does not need to be changed.

13.Press Z, and then select A ZOOM.

14.Press 'to move the

cursor right and then press

}several times.

9 Stat will appear.

147

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Image 157
Sharp EL-9900 Setting, Graph drawing, Selecting, Whether, Variable plotting or 2-variable plotting, Frequency
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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.
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