//////////////////////////////////////////////////////////////////////////////////
//							Abacus(SOROBAN) Program								//
// - Platform	: TI89 or TI92			- Author	: Nobuhiro Kuroiwa			//
// - Compiler	: TIGCC					- Created	: 11/23/01; 20:57:41		//
// - Language	: C						- Contact	: nobu@iastate.edu			//
// - Tabsize    : 4						- Version	: a2-g2						//
// - What haven't been done														//
//				: Check comments												//
//				: Compression of BMP data										//
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This is an Abacus program for TI89 and 92. But I didn't test on TI92.

This Archive incudes following files
	abacus.89z
	abacus9xz
	abacus.c
	abacus.h
	readme.txt

Instruction
'+' key		: set mode to plus mode
'-' key		:set mode to plus mode
num keys	:calculate addition, if mode is plus. Also calculat substruction,								 if mode is minus.
'CLEAR' key : reset pieces
'ESC' key	: exit

Bug-report, advices, questions, suggestions are very welcome.

Nobuhiro Kuroiwa