added calculated values to figure

PlaneStress.py

@@ -54,8 +54,32 @@ class PlaneStress:
                 x=2.5, y=2.6, text=f"\\tau_{{xy}} = {self.tau_xy}", render_mode="css"
             )
         )
-        plot.add_layout(Arrow(x_start=-2.5, y_start=2, x_end=-2.5, y_end=-2.2))
+
-        plot.add_layout(Arrow(y_start=-2.5, x_start=2, y_end=-2.5, x_end=-2.2))
+        # Other calculations
+        plot.add_layout(
+            LatexLabel(
+                x=-1.8,
+                y=1.8,
+                text=f"\sigma_1 = {round(self.sigma_1,4)}",
+                render_mode="css",
+            )
+        )
+        plot.add_layout(
+            LatexLabel(
+                x=-1.8,
+                y=1.4,
+                text=f"\sigma_2 = {round(self.sigma_2,4)}",
+                render_mode="css",
+            )
+        )
+        plot.add_layout(
+            LatexLabel(
+                x=-1.8,
+                y=1,
+                text=f"\\tau_{{max}} = {round(self.tau_max,4)}",
+                render_mode="css",
+            )
+        )
 
         show(plot)