PLC250 - Calculator LEXIBOOK - Free user manual and instructions

USER MANUAL PLC250 LEXIBOOK

Instruction Manual PLC250Copyright © Lexibook 2003 2Copyright © Lexibook 2003

Congratulations! You have just acquired the PLC250 mini desktop calculator with profit feature from Lexibook

This calculator will allow you to perform standard calculations as well as advanced functions such as percentage, memory, Tax calculation and quick profit analysis. In order to get the most out of your PLC250 calculator, read this instruction manual carefully and keep it in a safe place for future reference.

1. Percentage calculations

Note: If you have pressed the wrong arithmetic function key (addition, subtraction, multiplication, division), press the 'correct function' key immediately to correct the mistake and proceed with the calculation.

2. 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 'ON/C' 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 'MEMORY' 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 “MEMORY” will disappear.

In order to fix the tax rate, press the “%/TAX RATE” key for 3 seconds, the default tax rate (5%) will be displayed, then the calculator will display zero. You will be then able to enter the new tax rate and confirm it by pressing again on “%/TAX RATE”. To calculate Press Display 20€ + 6% tax = 21.2€ 20 + 6 % 21.2 150€ minus 20% = 120€ 150 – 20 % 120 Calculations IntroductionCopyright © Lexibook 2003

The “GT” key allows you to calculate the result of several calculations. Every time you press the “=” key, the result is displayed and “GT” is shown on the right of the screen. Press on “GT” in order to obtain the total of all recorded results. Press” ON/AC” in order to delete all results stored in the memory. Example: calculation of A + B + C Press Display A= 6 x 7 6 x 7 =

To add the tax Press Display Amount excl. Tax: €20 Tax: 6% Amount incl. Tax= €21.2 20 " TAX + "

To deduct the tax Press Display Amount incl. Tax: €150 Tax: 20% Amount excl. Tax= €125 150 " TAX - " 125Copyright © Lexibook 2003

The calculator will show the message “ERROR” in the following cases. - When dividing by zero - In calculations where the result exceeds the capacity of the calculator. In order to delete the error message and any other calculations, press " ON/C ". ◗ Your calculator contains precision components, never attempt to take it apart. ◗ Take care not to drop your calculator or allow it to receive any other impacts. ◗ Do not leave your equipment in areas exposed to dampness, dirt, dust or high temperatures. ◗ Make sure your calculator does not come in contact with water or with any other liquid substance; this could produce a short circuit or a potential risk of fire. ◗ Avoid using chemical fluids or petrol to clean the equipment. Wipe it with a dry, soft cloth, or with a cloth moistened with a solution of water and a neutral detergent. ◗ Under no circumstances will the manufacturer and its suppliers be liable to you or any third party for any damages, expenses, lost of profits, lost of earnings, or any other damages arising from any malfunction, repair, or battery replacement. The user should anticipate copies of physical records and data in order to be protected against any possible loss. ◗ Never dispose of batteries, the liquid crystal panel, or other component in a fire. ◗ Should the calculator be exposed to a high electrostatic discharge, the content of the memory could suffer damage or the keys could stop working. ◗ Before assuming malfunction of the equipment, make sure you have read this instruction manual and check that the problem is not caused by the batteries running out or by calculation errors. Power source: 1 AG10 (or L1131) battery and solar cell. Automatic switch off: If no key is pressed, the calculator will switch itself off automatically after approximately 7 minutes. Features Handling precautions Important notesCopyright © Lexibook 2003

This product is covered by our 2-year warranty. To make use of the warranty or after-sales service, please contact your retailer and supply proof of purchase. Our warranty covers material or installation-related defects attributable to the manufacturer, with the exception of wear caused by failure to respect the instructions for use or any unauthorised work on the equipment (such as dismantling, exposure to heat or damp etc). Note: It is recommended that all packaging be kept for future reference. Keep this instruction manual in a safe place as it contains important information. In our constant concern for improvement, the colours and details of the product may differ slightly from those shown on the packaging. Customer Service: For technical assistance call our freephone helpline: 0808 100 3015 Lexibook UK Limited Unit 10 Petersfield Industrial Estate Bedford Road, Petersfield Hampshire, GU32 3QA United Kingdom Web: http://www.lexibook.com ◗ The contents of this manual are subject to change without notice. ◗ No part of this manual may be reproduced in any form without the express written consent of the manufacturer. WarrantyCopyright © Lexibook 2003