1-5
k About the Function Menu
  Use the function keys ( 1 to  6) to access the menus and commands in the menu bar 
along the bottom of the display screen. You can tell whether a menu bar item is a menu or a 
command by its appearance.
k Status Bar
The status bar is an area that displays messages and the current status of the calculator. It is 
always displayed at the top of the screen. 
• Icons are used to indicate the information described below. 
This icon: Indicates this:
     
The current battery level. The icons indicated (from left to right): Level 3, 
Level 2, Level 1, Dead. See “Low Battery Message” (page 1-38) for more 
information. 
Important!
If the Level 1 icon ( 
 ) appears, immediately replace the batteries. For 
details about battery replacement, see the separate “Hardware User’s 
Guide”.
Calculation in progress.
! key was pressed and the calculator is standing by for the next key 
operation. 
 
a key was pressed and the calculator is standing by for the next key 
operation. The   icon indicates the lower-case input mode (eActivity 
and Program modes only). 
 
Alpha Lock (page 1-2) is in effect.
!i(CLIP) was pressed and the calculator is standing by for range 
specification (page 1-11). 
 
Setup “Input/Output” setting.
   
Setup “Angle” setting.
   
 
Setup “Display” setting.
 
Setup “Frac Result” setting.
   
Setup “Complex Mode” setting.
• For details about the Setup screen, see “Using the Setup Screen” (page 1-32).
• For information about other icons and messages that are specific to each application, see 
the chapters that cover each application.