Casio fx-100AU PLUS User Manual

To insert a character or function into a calculation:
Use and to move the cursor to the location where you want to
insert the character or function and then input it. Be sure always to use the
insert mode if Linear Display is selected.
To clear all of the calculation you are inputting:
Press .
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Casio fx-100AU PLUS Specifications

General

Display Digits	10 + 2 digits
Memory	9 variables
Manufacturer	Casio
Display	Dot Matrix
Type	Scientific