"""
Define functions for utilization in the equation writing.
All those functions return proto-EquationNode objects.
"""

import ExpressionTrees
import math_functions

#Functions for calculation of unary nodes and returning a proto-node

def Log(node):

    pass


def Log10(node):

    pass


def Exp(node):

    pass

def Abs(node):

    pass

def Sin(node):

    pass

def Cos(node):

    pass

def Tan(node):

    pass
