Tools 641. From the Tools menu, selectCalculator. The Calculatorscreen appears in the display.2. Enter the first number in yourcalculation using the keypad.(Numbers can be up to 15 digitslong. Up to 3 of the digits can beafter a decimal point.)• To enter a decimal point, press .• To change the sign for a number to a negative, press .• To add parentheses [( )] to your calculation or to enter a Powerexponent (^), such as, 3^2, which is the equivalent of 32, pressOperator.• Press Clear to clear current entries.3. Select a type(s) of calculation.• [ x ] Multiplication — Press Navigation key Up.• [ ÷ ] Division — Press Navigation key Down.• [ + ] Addition — Press Navigation key Right.• [ - ] Subtraction — Press Navigation key Left.4. Enter the other number(s) and press to perform thecalculation and view the result.Stop WatchYou can use this function to set a stop watch.1. From the Tools menu, select Stop Watch. The StopWatch screen appears in the display.2. To start, stop, and resume thestopwatch count, press .3. At the start of each succeedingevent/lap, press Record torecord the completion time forthe previous event/lap. You canrecord up to eight event/laptimes.4. To reset the stop watch and toerase all stop watch (lap) times recorded, press Reset.ConverterThe Converter lets you covert one measure of the availablecategories (Currency, Length, Weight, Volume, Area, andTemperature) into another.