1212. Enter the first number in yourcalculation using thecalculator-style touchkeypad. (Numbers can be upto 15 digits long, and caninclude a decimal pointfollowed by up to 5 moredigits.)3. Select the desired operation.[You can nest calculationsusing parentheses “( )”.] Todelete your last entry, press.4. Use the keypad to enter the second number for yourcalculation.5. Press to perform the calculation and view the result.StopwatchYou can use this function to set astopwatch.1. From the Tools menu, selectStopwatch.2. To start the Stopwatch count,press the Start soft key.3. To record succeeding event/lap times, press the LAP softkey at the start of eachsucceeding event/lap torecord the completion timefor the previous event/lap.You can record up to eightevent/lap times.4. To stop the Stopwatch count, press the Stop soft key.5. To resume the Stopwatch count, press the Restart key.6. To erase all Stopwatch (lap) times recorded, press theReset soft key.
