Casio fx-50F PLUS - Manual (Page 13)

E-12
k Editing a Calculation
A Insert Mode and Overwrite Mode
The calculator has two input modes. The insert mode inserts your input at the cursor
location, shifting anything to the right of the cursor to make room. The overwrite mode
replaces the key operation at the cursor location with your input.
Original Expression Pressing +
Insert Mode 1+2 | 34
Cursor
1+2+ | 34
Overwrite Mode 1+2 3 4
Cursor
1+2 + 4
A vertical cursor ( | ) indicates the insert mode, while a horizontal cursor ( ) indicates the
overwrite mode.
Selecting an Input Mode
The initial default input mode setting is insert mode.
To change to the overwrite mode, press:
1D(INS).
A Editing a Key Operation You Just Input
When the cursor is located at the end of the input, press
D to delete the last key operation
you performed.
Example: To correct 369 × 13 so it becomes 369 × 12
369*13
D
2
A Deleting a Key Operation
With the insert mode, use d and e to move the cursor to the right of the key operation
you want to delete and then press
D. With the overwrite mode, move the cursor to the
key operation you want to delete and then press
D. Each press of D deletes one key
operation.
Example: To correct 369 Ч Ч 12 so it becomes 369 × 12
Insert Mode
369**12
dd
D
Overwrite Mode
369**12
369×13I 369×13I
369×1I 369×1I
369×12I 369×12I
369××12I 369××12I
369××I12 369××I12
369×I12 369ЧI12
369ЧЧ 12 369ЧЧ 12