pt 

CopyTree (TBaseExpression)

pt 

DisposeExpr (TBaseExpression)

InFixToParseTree (TBaseExprParser)

pt 

NewCalc (TBaseExpression)

pt 

NewConst (TBaseExpression)

pt 

NewFunc (TBaseExpression)

pt 

NewiConst (TBaseExpression)

pt 

NewVar (TBaseExpression)

ParseTreeToInfix (TBaseExprParser)

ParseTreeToRPN (TBaseExprParser)