Manuale Lexibook PLC251 Calcolatrice

Manuale

PLC251IM PLC251IM

Copyright Lexibook 2008

1

Copyright Lexibook 2008

2

English

English

Congratulations! You have just acquired the PLC251 Semi Desktop Calculator from Lexibook®.

This calculator will allow you to perform standard calculations as well as advanced functions such as

percentage, memory, profit analysis, and euro conversions.

In order to get the most out of your PLC251 calculator, read this instruction manual carefully and keep it in

a safe place for future reference.

The “00” key allows you to quickly enter hundreds. Example: Press “5”, then the “00” key, and the

calculator will display “500”.

The “+/-” key allows you to change a positive number to negative, or vice versa.

If you repeatedly press the calculation signs (+, -, x, ÷), the calculation will be repeated.

The decimal point selector allows you to select from 0, 2, 4 decimal places, or a floating decimal place

(position F), or an automatic conversion to 2 decimal places (position A).

The round down/up selector allows you to choose round down to the nearest lower unit (position “ ”),

round up to the nearest higher unit (position “ ”), or a result automatically rounded up/down (position “5/4”).

To correct a number, press the “ ” key until you reach the number you want to enter. To completely delete

a number you have just entered, press “C/CE” once. The “C/CE” key is also used to turn on the calculator.

The % key allows you to perform operations with percentage values.

M+/M-/MRC – Memory operation keys.

COST/SELL/MARGIN – these keys are used to perform a profit analysis.

LOCAL/EURO – these keys are used to perform currency conversions.

1. Basic calculations

Introduction

Keys

Calculations

To calculate Press Display

23 + 203 - 56 = 23 + 203 - 56 = 170

562 x (38-96) = 38 - 96 x 562 = -32596

(23 x 6 + 78) ÷ 2.3 - 89 = 23 x 6 + 78 ÷ 2.3 - 89= 4.9130434782

1234567 x 9876543 = 1234567 x 9876543 = MEMORY ERROR

12.19325406118

C/CE 12.19325406118

C/CE 0

To calculate the margin

Cost: €60

Sale price: €100

Margin?

To calculate the cost

Sale price: €200

Margin: 6%

Cost?

To calculate the sale price

Cost: €120

Margin: 5%

Press

60[COST]100[SELL]

Press

200[SELL] 6 [MARGIN]

Press

120[COST]5[MARGIN]

Display

MARGIN%40

Display

COST 188

Display

SELL 126.31

To calculate Press Display

20€ + 6% = 21.2€ 20 + 6 % 21.2

150€ minus 20% = 120€ 150 - 20 % 120

2. Percentage calculations

3. Calculations using memory

Before saving a new value to the memory, the content must first be deleted by pressing the 'MRC' key twice

and then pressing the 'C/CE' key to delete all previous calculations.

To add a value to the memory, enter the chosen number or calculation and then press the 'M+’ key. The

result of the calculation is worked out and, if applicable, added to the value in the memory.

When 'M' is displayed, it indicates that a value is stored in the memory.

To deduct a value from the memory, enter the chosen number or calculation, and then press the “

M-” key.

The number entered (or the result of the calculation) is deducted from the value stored in the memory. In

order to display the value stored in the memory press “MRC”. To delete the memory content, press twice

on “MRC”, the caption “M” will disappear.

4. Profit analysis

5. Currency function

To save a number in the memory Press Display

2 x 3 = 6 2 x 3 "M+" M 6

-) 3 x 4 = 12 3 x 4 "M-" M 12

+) 4 x 5 = 20 4 x 5 "M+" M 20

14 MRC M 14

MRC 14

To set exchange rate

Recall exchange rate

Calculation:

Exchange rate: 1EURO = 5 units of

local currency.

Value of 10 euros in local currency?

Calculation:

Exchange rate: 1EURO = 5 units of

local currency.

Value of 50 units of local currency in euros?

Press

5

RATE

LOCAL

Press

RATE

EURO

Press

10 [LOCAL]

Press

50 [EURO]

Display

5

RATE 5

C1C2 5

Display

RATE 0

C2 5

Display

50

Display

10

Before using your calculator for the first time, please follow the steps given below:

1. Remove carefully the protection tab of the battery compartment by pulling on the end of the tab.

2. If the tab remains jammed, use a coin to remove the battery compartment, the battery and then the tab.

Replace the battery (+ side facing up) and close back the battery compartment.

3. Remove the static label from the LCD screen and press the Reset key.

Valutazione

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