Update app.py

app.py

@@ -11,7 +11,7 @@ from Gradio_UI import GradioUI
 @tool
 def calculator(expression: str)-> str: # Returns a string result
     """
-    A tool able to solve mathematical expressions using the mathjs.org 
+    A tool able to solve mathematical expressions using the mathjs.org API.
     
     Args:
         expression: A mathematical expression to solve (e.g., "1+2", "3*5").
@@ -19,10 +19,11 @@ def calculator(expression: str)-> str: # Returns a string result
     Returns:
         str: The result of the calculation if successful, or an error message if the request fails.
     """
-    # Remove spaces
-    expression = expression.replace(" ","")
+    # URL-encode to ensure correct API interpretation
+    encoded_expression = urllib.parse.quote(expression, safe="")  # Ensures correct API encoding
+
     try:
-        api_url = f"http://api.mathjs.org/v4/?expr={expression}"
+        api_url = f"http://api.mathjs.org/v4/?expr={encoded_expression}"
 
         response = requests.get(api_url)