Update app.py

app.py

@@ -47,6 +47,11 @@ class Quadratic:
 # -------- Function for Gradio --------
 def solve_and_plot(a, b, c):
     try:
+        # Convert string inputs to float (supports negative values)
+        a = float(a)
+        b = float(b)
+        c = float(c)
+
         quad = Quadratic(a, b, c)
         root1, root2 = quad.solveQuad()
         fig = quad.drawFigure()
@@ -69,7 +74,7 @@ theme = gr.themes.Soft(
     secondary_hue="blue",
     neutral_hue="slate",
     font=[
-        gr.themes.GoogleFont("Inter"),  # You can change to Poppins, Roboto, etc.
+        gr.themes.GoogleFont("Inter"),
         "ui-sans-serif",
         "system-ui"
     ]
@@ -80,9 +85,9 @@ theme = gr.themes.Soft(
 interface = gr.Interface(
     fn=solve_and_plot,
     inputs=[
-        gr.Number(label="Coefficient a"),
-        gr.Number(label="Coefficient b"),
-        gr.Number(label="Coefficient c"),
+        gr.Textbox(label="Coefficient a", value="1"),
+        gr.Textbox(label="Coefficient b", value="0"),
+        gr.Textbox(label="Coefficient c", value="0"),
     ],
     outputs=[
         gr.Textbox(label="Solution"),