101screen appears in the display.2. 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, touch .4. Use the keypad to enter the second number for yourcalculation.5. Touch to perform the calculation and view the result.Stop WatchYou can use this function to set astop watch.1. From the Tools menu, touchStop Watch. The Stop Watchscreen appears in the display.2. To start the Stop Watch count,touch the Start soft key.3. To record succeeding event/lap times, touch the LAP softkey at the start of eachsucceeding event/lap torecord the completion time for the previous event/lap. Youcan record up to eight event/lap times.4. To stop the Stop Watch count, touch the Stop soft key.5. To resume the Stop Watch count, touch the Restart key.6. To erase all Stop Watch (lap) times recorded, touch theReset soft key.
