Chapter 3: Scientific Calculations

Math menu Functions

Other functions are available on this calculator besides the first and second functions on the key pad. These functions are accessed using the math function menu. The math menu has different contents for each mode.

Press Ito display the math menu. In the NORMAL mode, you can recall the following functions.

 

 

 

 

 

 

 

 

 

 

<MATH MENU-1>

ƒabs

⁄ipart

d

¤int

‹fpart

 

<MATH MENU-2> ›ÒRAND fiSOLVE flΩsec ‡Ωmin

Switch the display using du.

These math menus are not available for Differential/Integral functions, N-base functions, Solver functions and Simulation Calculation (ALGB).

Function

Key operations

Result

0: abs

 

 

 

 

Displays the absolute value of a

I0S

abs–7=

number.

7 e

7.

 

 

 

 

 

1: ipart

 

 

 

 

Displays the integer part only of a

I1S

ipart–7.94=

 

 

 

number.

7.94e

–7.

 

 

 

 

 

2: int

 

 

 

 

Displays the largest integer less

I2S

int–7.94=

than or equal to a number.

7.94e

–8.

 

 

 

 

 

3: fpart

 

 

 

 

Displays the fractional part only of

I3S

fpart–7.94=

 

 

 

a number.

7.94e

–0.94

 

 

 

 

 

4: RAND

 

 

 

 

Before using the Random Numbers

0.001I4

0.001ÒRAND

of Random functions, designate

 

0.001

0.001 from 0.999 random number

 

 

 

 

sequences available.

 

 

 

 

The calculator can regenerate the

 

 

 

 

same random numbers from the

@w0

random=

beginning.

If you wish to go back to normal

e

0.232

random numbers, press

 

 

 

 

0 I4.

 

 

 

 

 

 

 

 

 

36

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Sharp EL-5250, EL-5230 operation manual Math menu Functions, Ƒabs ⁄ipart ¤int ‹fpart, Function Key operations Result

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.

Both calculators feature Sharp's unique "MathPrint" technology, which is a standout characteristic allowing users to view fractions, square roots, and other expressions in a format more akin to traditional textbook layouts. This technology greatly enhances comprehension and usability, particularly for visual learners.

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.