991. From the Tools/Utilitiesmenu, select Calculator. TheCalculator appears in thedisplay.2. Enter the first number in yourequation using the keypad(numbers can be up to ninedigits long).• Press to enter a decimal point. (Calculator only accepts 3 digitsafter a decimal point.)• Press to change the sign for a number to a negative.3. Use the navigation keys to set the type of calculation thatyou wish to perform. Your choices are as follows:• Up navigation key — [x] Multiplication• Left navigation key — [-] Subtraction• OK key — [=] Equals/Total• Right navigation key — [+] Addition• Down navigation key — [÷] Division4. Use the keypad to enter the second number into yourequation.For additional equation entry options, press the Operatorsoft key. The following options appear in the display:• ( — Beginning of nested equation• ) — End of nested equation• Power — Raise the entered number to a power5. Press to perform the calculation and view the result.To perform another calculation, press the Clear soft key.Stop WatchYou can use this menu to set a stop watch.1. From the Tools/Utilitiesmenu, select Stop Watch.2. Press to start, stop, andresume the stopwatch count.3. Press the Record soft key atthe start of each succeedingevent/lap to record thecompletion time for theprevious event/lap.4. Press the Reset soft key to erase all stop watch (lap) timesrecorded.+
