[. . . ] Press TAX+ key or TAX- key to register Calculation review "CHECK AND CORRECT FUNCTION" 1. Prior to proceeding with the review of the calculations, the latter must have been finalised. [. . . ] Example: you have entered the following operation: (500 + 400 ­ 80) X 3 = 2460 and you wish to modify it as follows: (500 + 100 + 80) X 3 = 2040 Key CORRECT 100 + CORRECT REPLAY 400 CORRECT REPLAY 100 + REPLAY 100 + REPLAY 80 X REPLAY 3= REPLAY 2040 ANS Display 02 02 02 03 04 05 You have just acquired a calculator from Lexibook®. In order to get the most out of your calculator, read this instruction manual carefully and keep it in a safe place for future reference. Before starting up this unit, please remove the protective film from the screen, pulling the tab. Press CE key to enter calculator mode and use calculator function keys: %, X, ÷ Press MRC key twice to clear memory content. Enter your local currency amount and press EURO key to convert into Euro currency. For any claim under the warranty or after sale service, please contact your distributor and present a valid proof of purchase. Our warranty covers any manufacturing material and workmanship defect, with the exception of any deterioration arising from the non-observance of the instruction manual or from any careless action implemented on this item (such as dismantling, exposition to heat and humidity, etc. In a bid to keep improving our services, we could implement modification on the colours and the details of the product shown on the packaging. 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). Getting end Automatic power off (a few minutes after the last key pressing). Remark: When you bought this unit or whenever press the RESET key, remember to set up the Euro Rate before starting Euro Conversion. [. . . ] To modify a calculation during the review, once the calculator displays the calculation you wish to modify, follow the steps given next: · press on "CORRECT" · Enter the new value or press the new calculation key or both. Press "CORRECT" again in order to validate the modification. [. . . ]