Update app.py

app.py

@@ -3,23 +3,32 @@ import numpy as np
 
 def calculate_tia(t1, a1, t2, a2):
     try:
+        # حساب معدل الإفراغ k
         k = np.log(a1 / a2) / (t2 - t1)
+        # حساب النشاط الابتدائي A₀
         a0 = a1 / np.exp(-k * t1)
+        # حساب النشاط التكاملي TIA
         tia = a0 / k
-        return f"A₀ = {a0:.2f} MBq\nk = {k:.5f} /h\nTIA = {tia:.2f} MBq·h"
+        result = f"**Results:**\n- A₀ = {a0:.2f} MBq\n- k = {k:.5f} per hour\n- TIA = {tia:.2f} MBq·h"
     except:
-        return "Error: please enter valid numbers."
+        result = "Error: Please enter valid numbers."
+
+    return result
 
 with gr.Blocks() as demo:
-    gr.Markdown("## Lu-177 Dosimetry Tool (Two-Time-Point TIA)")
+    gr.Markdown("# Lu-177 Dosimetry Tool\nEstimate Time-Integrated Activity (TIA) from Two SPECT Time Points using Mono-Exponential Modeling.")
+    
     with gr.Row():
         t1 = gr.Number(label="Time Point 1 (hours)", value=20)
         a1 = gr.Number(label="Activity at t1 (MBq)", value=12)
+    
     with gr.Row():
         t2 = gr.Number(label="Time Point 2 (hours)", value=60)
         a2 = gr.Number(label="Activity at t2 (MBq)", value=4)
-    output = gr.Textbox(label="Results", lines=4)
+    
     button = gr.Button("Calculate TIA")
+    output = gr.Markdown()
+
     button.click(fn=calculate_tia, inputs=[t1, a1, t2, a2], outputs=output)
 
 demo.launch()