def plotIn2D(LHStok, RHStok, variables, axisRange):
    """Returns function array for 2D plots

    Arguments:
        LHStok {list} -- expression tokens
        RHStok {list} -- expression tokens
        variables {list} -- variables in equation
        axisRange {list} -- axis limits

    Returns:
        graphVars {list} -- variables for plotting
        func {numpy.array} -- equation to be plotted in 2D
    """
    xmin = -axisRange[0]
    xmax = axisRange[0]
    ymin = -axisRange[1]
    ymax = axisRange[1]
    xdelta = 0.01 * (xmax - xmin)
    ydelta = 0.01 * (ymax - ymin)
    xrange = np.arange(xmin, xmax, xdelta)
    yrange = np.arange(ymin, ymax, ydelta)
    graphVars = np.meshgrid(xrange, yrange)
    function = getFunction(LHStok, RHStok, variables, graphVars, 2)
    return graphVars, function