User manual LEXIBOOK PLC30

[. . . ] Pocket calculator from This calculator will allow you to perform standard calculations as well as memory and percentage functions. In order to get the most out of your PLC30 mini pocket calculator, read this instruction manual carefully and keep it in a safe place for future reference. [. . . ] - When dividing by zero - When calculating the square root of a negative number - 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". Handling precautions 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. 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. There is no need to replace the battery; for this reason the battery compartment is not accessible to the user. Automatic switch off: If no key is pressed, the calculator will switch itself off automatically after approximately 7 minutes. [. . . ] Environmental Protection Unwanted electrical appliances can be recycled and should not be discarded along with regular household waste!Please actively support the conservation of resources and help protect the environment by returning this appliance to a collection centre (if available). [. . . ]