Casio IT-2000W Technical Reference Manual page 259

Startup Method
This utility is not stored in the basic drive (C: ). It must be copied to RAM disk (A: ) or FROM
drive (D: ) and can be started up from Windows.
Basic Function
Operation of the utility is performed by inputs from Ten key and Touch panel.
Ten Key
Key
0 to 9 Input numeral.
. (decimal) Input decimal point.
- Subtraction key
CLR Cancel key for numeral input and release key for error condition.
ENTER Confirmation key (same as "=" key) The key is represented as "=".
Touch Panel
Key
C Cancel key for numeral input and release key for error condition.
% Percent calculation key.
AC Clear key for releasing error conditions and numeral inputs except
content of the memory.
ENT Confirmation key.
MC Memory clear key.
MR Memory read key.
M- Memory subtraction key.
M+ Memory addition key.
+- Arithmetic calculation keys.(addition, subtraction)

a Arithmetic calculation keys (multiplication, division)
X
Description
Description
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