Casio fx-50F co s ( 60 )I, co s ( 60 ), kFinding the Location of an Error, co s ( 60 ), Ma t h ERROR, A Inserting Key Operations into an Expression, ddd, c60), dddD, c60)

ddd

D

369×× 12

369×12

A Editing a Key Operation within an Expression

With the insert mode, use d and e to move the cursor to the right of the key operation you want to edit, press D to delete it, and then perform the correct key operation. With the overwrite mode, move the cursor to the key operation you want to correct and then perform the correct key operation.

Example: To correct cos(60) so it becomes sin(60)

Insert Mode

c60)dddD

s

Overwrite Mode

c60)

dddd

s

co s ( 60 )I

I60 )

s i n (I60 )

co s ( 60 )

co s ( 60 )

s i n ( 60 )

A Inserting Key Operations into an Expression

Be sure to select the insert mode whenever you want to insert key operations into an expression. Use d and e to move the cursor to the location where you want to insert the key operations, and then perform them.

kFinding the Location of an Error

If your calculation expression is incorrect, an error message will appear on the display when you press w to execute it. After an error message appears, press the d or e key and the cursor will jump to the location in your calculation that caused the error so you can correct it.

Example: When you input 14 ÷ 0 × 2 = instead of 14 ÷ 10 × 2 = (The following examples use the insert mode.)

14/0*2we or d

Ma t h ERROR

14÷ 0I×2

Location of Error

E-13