Primary Function
The function appears on the key.
Ex: to display the MATH menu, press ».
Secondary Function
The function appears above the key in the same color as the y key.
When you press the y key, the key name printed above the other key becomes active for the next keystroke.
Ex: to display the TEST menu, press y and then :.
The flashing cursor becomes Þ when you press y. Þ may also appear in the status bar.
Tertiary (Alpha Key) Function
The function appears above the key in the same color as the ƒ key.
The third function allows you to enter alphabetic characters and special symbols, and to access SOLVE and shortcut menus.
Ex: to display the letter A, press ƒ and then [A].
| • | To enter several alphabetic characters in a row, press y 7. This locks the alpha key in the ON position so that you avoid having to repeatedly press ƒ. Press ƒ again to unlock it. |
| • | The flashing cursor becomes Ø when you press ƒ. Ø may also appear in the status bar. |
