Chapter 1: Before You Get Started

3.Press e to obtain the result.

Follow the same procedure as above, but press t instead of ; in step 1.

You will get the same result.

0.

πRŒ=

201.0619298

Using simulation calculations (ALGB)

If you want to find more than one solution using the same formula or algebraic equation, you can do this quickly and simply by use of the simulation calculation.

Example

Find the volume of two cones:

1 with height 10 and radius 8 and

2 with height 8 and radius 9.

h

r

V = 13 πr2h

1. Press j 1 k 3 @ s

 

 

 

 

 

 

NORMAL MODE

; R A ;H to enter the

formula.

0.

• Note that ‘1

 

 

3’ represents 1 over (i.e.

1ı3πRŒH_

divided by) 3.

 

 

 

Variables can be represented only by capital letters.

2. Press @ G (I key) to finish

1ı3πRŒH

 

 

 

 

 

 

 

 

 

entering the equation.

 

 

 

• The calculator automatically picks out

H=z

0.

the variables alphabetically contained in

 

 

 

 

the equation in alphabetical order and

 

 

 

 

asks you to input numbers for them.

 

 

 

 

at the bottom of the display reminds you that there is another variable further on in the expression.

3.Press 10 e to input the height and go on the next variable.

The calculator is now asking you to input a number for the next variable.

1ı3πRŒH

R=z 8.

19

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Sharp EL-5230, EL-5250 operation manual ΠRŒ= 201.0619298, Normal Mode, 1ı3πRŒH, Using simulation calculations Algb

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.