文档介绍：Ehttp://world./edu/fx-82MSfx-83MSfx-85MSfx-270MSfx-300MSfx-350MSUser's GuideCASIO ELECTRONICS CO., 6, 1000 North Circular Road,London NW2 7JD, -1Removing and Replacingthe Calculator’s Cover?Before starting .....1Holding the cover as shown in the illustration, slide theunit out of the cover.?After you are finished .....2Holding the cover as shown in the illustration, slide theunit out of the cover.?Always slide the keyboard end of the unit into the coverfirst. Never slide the display end of the unit into the cover......1.....2E-2Safety PrecautionsBe sure to read the following safety precautions beforeusing this calculator. Keep this manual handy for later ref- symbol is used to indicate information that canresult in personal injury or material damage if ?After removing the battery from the calculator, put itin a safe place where it will not get into the hands ofsmall children and accidentally swallowed.?Keep batteries out of the reach of small children. identally swallowed, consult with a physician im-mediately.?Never charge batteries, try to take batteries apart, orallow batteries to e shorted. Never exposebatteries to direct heat or dispose of them by incin-eration.?Misuse of batteries can cause them to leak and dam-age nearby items, and can create the risk of fire andpersonal injury.?Always make sure that the battery’s positive kandnegative lends are facing correctly when you loadit into the calculator.?Remove the battery if you do not plan to use thecalculator for a long time (fx-82MS/fx-83MS/fx-270MS/fx-350MS).?Use only the type of battery specified for this calcu-lator in this of the Calculator?Never dispose of the calculator by burning it. Doingso can cause ponents to suddenly burst,creating the risk of fire and personal injury.?The displays and illustrations (such as key markings)shown in this User’s Guide are for illustrative purposesonly, and may differ somewhat from the actual items theyrepr