Casio IT-2000D - Manual (Page 192)

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Condition of Operation
This utility requires two pages (32 Kbytes) of EMS memory and the driver, hardware window
manager (HWWMAN.EXE) and keypad (KEYPAD.EXE) which must be resided always.
Refer to Chapter 6.4 “Keypad Driver/Hardware Window Manager” for the detail.
Startup Method
This utility is not stored in the basic drive (C: ). It must be copied to RAM disk (A: ) or FROM
drive (D: ) for the utility to be started up. It can be used individually or called as child-process.
Basic Function
Operation of the utility is performed by inputs from Ten key and Touch panel.
Ten Key
Key Description
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 Description
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
contents 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)
X a Arithmetic calculation keys (multiplication, division)