Represents a mathematical function in a syntax tree.
ArcSecantNode(ExpressionNode *expression, char *text, char *sys)
A arcsecant function in a syntax tree.
virtual Number * ArcSecant()=0
static FunctionNode * Create(ExpressionNode *expression, char *text, char *sys)
virtual Number * Evaluate()=0
FunctionNode(ExpressionNode *expression, char *text, char *sys)
Base class for all nodes related to mathematical expressions.
ExpressionNode * expression