3Com TRGpro - Manual (Page 111)

Chapter 4 Page 103
3. After you finish reviewing the calculations, tap OK.
Calculator menus
Calculator menus are shown here for your reference, and Calculator
features that are not explained elsewhere in this book are described
here.
See “Using menus” in Chapter 1 for information about choosing menu
commands.
Options menus
About
Calculator Shows version information for Calculator.