Package dbrown

Class Summary

Operand	Recognizes and stores simple mathematical operands.
Operator	Recognizes, stores, and executes simple mathematical operations.
Tokenizer	Tokenizer takes an equation string as input and tokenizes it, breaking it up into integers (the operands) and single characters (the operators).
TokenizerTest	Tests the Tokenizer class.
Variable	Recognizes and stores simple variables for mathematical expressions.