Sharp EL-5250 A Quick Tour, Turning the calculator on and off, 0. 8Œ‰3-7˚-10.5=, Normal Mode

Models: EL-5230 EL-5250

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A Quick Tour

Chapter 1: Before You Get Started

A Quick Tour

This section takes you on a quick tour covering the calculator’s simple arithmetic operations and also principal features like the solver function.

Turning the calculator on and off

1.Press j at the top right of the keypad to turn the calculator on.

To conserve the batteries, the calculator turns itself off automatically if it is not used for several minutes.

2.Press @ o to turn the calculator off.

NORMAL MODE Turning the calculator on and offEntering and solving an expression8Œ©‰3-7˚–10.5_ 0.0. 8Œ©‰3-7˚–10.5= 110.4504172Manual backgroundManual background

Whenever you need to execute a function or command which is written in orange above a key, press @ followed by the key.

Entering and solving an expression

Arithmetic expressions should be entered in the same order as they would normally be written in. To calculate the result of an expression, press e at the bottom right of the keypad; this has the same function as the ‘equals’ key on some calculators.

Example

Find the answer to the expression 82 ÷ ￿￿3 – 7 -10.5

1. 8 A z @ * 3 -

 

 

 

 

 

 

NORMAL MODE

7 k S 10.5

• This calculator has a minus key -

0.

8Œ©‰3-7˚–10.5_

for subtraction and a negative key S

 

 

 

for entering negative numbers.

To correct an error, use the cursor keys

l r u d to move to the appropriate position on the display and type over the original expression.

2.Press e to obtain an answer.

While the calculator is computing an answer, BUSY is displayed at the above left of the display.

The cursor does not have to be at the end of an expression for you to obtain an answer.

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Sharp EL-5250 A Quick Tour, 8Œ‰3-7˚-10.5, Turning the calculator on and off, Entering and solving an expression, Example