Casio FC-200V - Manual (Page 29)

E-27
A Inserting input into a Calculation
Always use the insert mode for this operation. Use d or
e to move the cursor to the location where you want to
insert new input, and then input what you want.
k Displaying the Location of an Error
If an error message (like “Math ERROR” or “Syntax
ERROR”) appears when you press E, press
d or e.
This will display the part of the calculation where the error
occurred, with the cursor positioned at the error location.
You can then make necessary corrections.
Example: When you input 14
ч 0 Ч 2 = by mistake instead
of 14
ч 10 Ч 2 =
Insert Mode:
14/0*2 E
Press e or d.
This is causing the error.
d1
E
You can also exit the error screen by pressing A, which
clears the calculation.