The SET UP menu
The SET UP menu chooses how answers are displayed. Press 
to open it: FSE is the number format and TAB the number of decimal places. Press then 
to choose the format: 0 is FIX, 1 is SCI, 2 is ENG, 3 is NORM1 and 4 is NORM2. Press then 
to set the decimal places, followed by a digit from 0 to 9. To leave the menu, press 
. You can also move through a menu with the left and right arrow keys and press ENT, which is the equals key.