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