Contents

Setting the floating point numbers system in scientific notation

... 26

Using Memories

27

Using alphabetic characters

27

Using global variables

27

Using local variables

28

Using variables in an equation or a program

29

Using the last answer memory

30

Global variable M

30

Using memory in each mode

31

Resetting the calculator

32

Chapter 3: Scientific Calculations

33

NORMAL mode

33

Arithmetic operations

33

Constant calculations

34

Functions

34

Math menu Functions

36

Differential/Integral Functions

38

Differential function

38

Integral function

39

When performing integral calculations

40

Random Function

41

Random numbers

41

Random dice

41

Random coin

41

Random integer

41

Angular Unit Conversions

42

Chain Calculations

42

Fraction Calculations

43

Binary, Pental, Octal, Decimal and Hexadecimal Operations (N-base)

... 44

Time, Decimal and Sexagesimal Calculations

46

Coordinate Conversions

47

Calculations Using Physical Constants

48

Calculations Using Engineering Prefixes

50

Modify Function

51

3

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Sharp EL-5230, EL-5250 operation manual Scientific Calculations

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.