Chapter 7: Programming

Statistical Commands

In the PROG mode, statistical commands are only available when the NORMAL program mode is selected. If the NBASE program mode is selected, the statistical command menu cannot be called.

When you use the STATx or STATxy commands, the calculator erases all data previously stored in the STAT function.

Command

Key

Description

Examples

operations

 

 

 

STATx

iI

Selects single-variable

STATx

 

 

statistics mode (SD).

 

 

 

 

 

STATxy

iJ

Selects linear regression

STATxy

 

 

calculation mode (LINE).

 

 

 

 

 

Data

iK

Enters new statistical data.

 

<x>

 

The data format must be

Data 5

Data

 

consistent with the statistics

 

 

mode selected (single-

 

<x, frequency>

 

Data 25,2

Data

 

variable or linear

 

 

regression). A statistical

 

<x, y>

 

Data 72,175

 

data set entered in the

 

 

 

Data

 

PROG mode cannot be

 

<x, y, frequency>

 

accessed later for use with

Data 9,96,3

 

 

STAT functions.

 

 

 

 

 

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Sharp EL-5230, EL-5250 operation manual Statistical Commands

EL-5230, EL-5250 specifications

The Sharp EL-5250 and EL-5230 are advanced scientific calculators that cater to students, professionals, and anyone in need of a reliable tool for complex calculations. Both models are designed with a blend of functionality, portability, and user-friendliness, making them excellent choices for math and engineering tasks.

The Sharp EL-5250 is equipped with a wide range of features ideal for higher-level calculations. It supports over 500 functions, including trigonometric, exponential, logarithmic, and statistical computations. The calculator also includes built-in memory functions, allowing users to store and recall values effortlessly. The large, easy-to-read LCD display can present multiple lines of data simultaneously, enhancing clarity and reducing the need for repetitive calculations.

On the other hand, the EL-5230, while slightly less advanced, still offers a robust set of functions. This model is particularly well-suited for students in high school or early college, providing essential functionalities for algebra, geometry, and basic statistics. Its 240 functions cover a variety of mathematical disciplines, making it a versatile option for different educational needs.

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The calculators are powered by dual power sources, utilizing both solar and battery power, ensuring reliability in diverse environments. The compact and lightweight design of the EL-5250 and EL-5230 makes them highly portable. Users can easily carry them in a backpack or briefcase without added bulk.

Durability is another aspect where Sharp excels. The calculators are built to withstand regular use, featuring a sturdy exterior. Additionally, Sharp provides a protective cover that helps prevent damage during transport, making these calculators a long-term investment for users.

In summary, both the Sharp EL-5250 and EL-5230 deliver exceptional performance with their extensive features and advanced technology. They are perfect for those who require reliable and efficient tools for various mathematical tasks, whether in education or professional settings. With their user-friendly designs and durability, these calculators continue to be reliable companions for anyone working with numbers.