Label color | Meaning |
White | Just press the key |
Yellow | Press [ 2nd ] and then the key |
Green | In |
Blue | Press [ ALPHA ] and then the key |
Using the 2nd and ALPHA keys
To execute a function with a yellow label, press [ 2nd ] and then the corresponding key. When you press [ 2nd ], the 2nd indicator appears to indicate that you will be selecting the second function of the next key you press. If you press [ 2nd ] by mistake, press [ 2nd ] again to remove the 2nd indicator
Pressing [ ALPHA ] [ 2nd ] locks the calculator in 2nd function mode. This allows consecutive input of 2nd function keys. To cancel this, press [ 2nd ] again.
To execute a function with a blue label, press [ ALPHA ] and then the
corresponding key. When you press [ ALPHA ], the 
indicator appears to indicate that you will be selecting the alphabetic function of the next key you press. If you press [ ALPHA ] by mistake, press [ ALPHA ] again to
remove the 
indicator.
Pressing [ 2nd ] [ ALPHA ] locks the calculator in alphabetic mode. This allows consecutive input of alphabetic function keys. To cancel this, press [ ALPHA ] again.
Cursor
Press [ 
] or [ 
] to move the cursor to the left or the right. Hold down a cursor key to move the cursor quickly.
If there are entries or results not visible on the display, press [ 
] or [ 
] to scroll the display up or down. You can reuse or edit a previous entry when it is on the entry line.
Press [ ALPHA ] [ 
] or [ ALPHA ] [ 
] to move the cursor to the
beginning or the end of the entry line. Press [ ALPHA ] [ 
] or [ ALPHA ]
[ 
] to move the cursor to the top or bottom of all entries.
The blinking cursor 
indicates that the calculator is in insert mode.
Inserting and Deleting Characters
To insert a character, move the cursor to the appropriate position and enter the character. The character is inserted to the immediate left of the cursor.