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Chapter 2: General Information
Editing and Correcting an Equation
Cursor keys
Incorrect keystrokes can be changed by using the cursor keys
(l r u d).
Example
Enter 123456 then correct it to 123459.
1. Press j 123456.
2. Press y 9 e.
• If the cursor is located at the right end
of an equation, the y key will
function as a backspace key.
•You can return to the equation just after
getting an answer by pressing the cursor keys. After returning to the
equation, the following operations are useful;
@ l or @ r: To jump the cursor to the beginning or the
end of equation.
Overwrite mode and insert mode
• Pressing @ O switches between the two editing modes: overwrite
mode (default); and insert mode. A rectangular cursor indicates preexisting
data will be overwritten as you make entries, while a triangular cursor
indicates that an entry will be inserted at the cursor.
• In the overwrite mode, data under the cursor will be overwritten by the
number you enter. To insert a number in the insert mode, move the cursor
to the place immediately after where you wish to insert, then make the
desired entry.
• The mode set will be retained until @ O is pressed or a RESET
operation is performed.
NORMAL MODE
0.
123456_
0.
123459=
123459.