private void Cal_Click(object sender, RoutedEventArgs e)
        {
            char[]   separator    = new[] { ',', '\n' };
            var      equ          = equation.Text.Split(separator);
            Equation ourEquations = new Equation(equ);

            if (equ.Length == 2)
            {
                CoordinatePlane.SizeX = drawequplane.ActualWidth;
                CoordinatePlane.SizeY = drawequplane.ActualHeight;
                var first  = Function.EquationFunc(ourEquations, 0);
                var second = Function.EquationFunc(ourEquations, 1);
                ourEquations.Results();
                CoordinatePlane plane = new CoordinatePlane(equplane, (int)ourEquations.MyResult[0, 0] - 3, (int)ourEquations.MyResult[1, 0] - 3, (int)ourEquations.MyResult[0, 0] + 3, (int)ourEquations.MyResult[1, 0] + 3);
                equplane.Background = Brushes.White;
                plane.SetProperty();
                plane.DrawPlane();
                plane.DrawFunction(first, Brushes.Tomato);
                plane.DrawFunction(second, Brushes.DarkSlateBlue);
                _screen           = plane;
                _screen.GridColor = main.Background;
            }
            string myresult = ourEquations.Results();

            Result.Text = myresult;
        }
        private void DrawTaylor_Click(object sender, RoutedEventArgs e)
        {
            CoordinatePlane.SizeX = taylorgrid.ActualWidth;
            CoordinatePlane.SizeY = taylorgrid.ActualHeight;
            Function sinFunction         = new Function("sinx");
            Func <double, double> series =
                TaylorSeries.MakeTaylorSeries(int.Parse(Number.Text), double.Parse(Point.Text), 1, 0);
            var             minspan = TaylorSeries.DetermineSinSpanMin(sinFunction.ParsedFunc, series, int.Parse(Point.Text));
            var             maxspan = TaylorSeries.DetermineSinSpanMax(sinFunction.ParsedFunc, series, int.Parse(Point.Text));
            var             diff    = maxspan - minspan;
            CoordinatePlane taylor  = new CoordinatePlane(TaylorPlane, minspan - diff / 2, -2, maxspan + diff / 2, 2);

            taylor.SetProperty();
            _taylorCoordinatePlane = taylor;
            taylor.DrawPlane();
            taylor.DrawFunction(sinFunction.ParsedFunc, Brushes.Black);
            TaylorPlane.Background = Brushes.White;
            taylor.DrawFunction(series, Brushes.PaleVioletRed);
        }
        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            CoordinatePlane.SizeX = drawplane.ActualWidth;
            CoordinatePlane.SizeY = drawplane.ActualHeight;
            CoordinatePlane plane = new CoordinatePlane(Myplane, int.Parse(MinX.Text), int.Parse(Miny.Text), int.Parse(MaxX.Text), int.Parse(MaxY.Text));

            Myplane.Background = Brushes.White;
            plane.SetProperty();
            plane.DrawPlane();
            Function function = new Function(DrawFunction.Text);

            plane.DrawFunction(function.ParsedFunc, Brushes.Black);
            _screen           = plane;
            _screen.GridColor = main.Background;
        }