10-20
2. Press (INS).
3. Press A.
• This inputs a A key before the T key and displays
the guide creation screen from the T key.
S To change −2X
2
+1to−2X
2
+ 2 (by overwriting the @ key with the A key)
1. This will display the @ key editing screen.
2. Press (OVW).
3. Press A.
• This will overwrite the @ key with the A key and
display the guide creation screen from the next key (U
key).
S To edit an n-key operation comment
1. This will display the key editing screen.
2. Press (NOTE).