SCIENG SCIentific or ENGineering display format
FIX Number of decimal places displayed is fixed
HYP Hyperbolic trig function will be calculated 
The displayed value is an intermediate result
There are digits to the left or right of the display
There are earlier or later results that can be displayed.
These indicators blink while an operation or program is executing.
Chapter 2 : Before Starting a Calculation
Changing Modes
Press [ MODE ] to display the modes menu. You can choose one of four modes: 0 MAIN, 1 STAT, 2 BaseN, 3 PROG.
For example, to select BaseN mode:
Method 1: Press [ MODE ] and then press [ 
], [ 
] or [ MODE ]
until 2 BaseN is underlined; then press [
].
Method 2: Press [ MODE ] and enter the number of the mode, [ 2 ].
Selecting an Item from a Menu
Many functions and settings are available from menus. A menu is a list of options displayed on the screen.
For example, pressing [ MATH ] displays a menu of mathematical functions. To select one of these functions:
1.Press [ MATH ] to display the menu.
2.Press [ 
] [ 
] [ 
] [ 
] to move the cursor to the function you want to select.
3.Press [
] while the item is underlined.
With numbered menu items, you can either press [
] while the item is underlined, or just enter the number of the item.
To close a menu and return to the previous display, press [ CL/ESC ].
Key Labels
Many of the keys can perform more than one function. The labels associated with a key indicate the available functions, and the color of a label indicates how that function is selected.