Update app.py

app.py

@@ -6,7 +6,6 @@ history = []
 
 def calculate(expression):
     try:
-        # Input validation
         if not re.match(r'^[\d\s\+\-\*/\(\)\^\.\w]+$', expression):
             raise ValueError("Invalid characters in expression")
         
@@ -28,7 +27,6 @@ def calculate(expression):
 def update_expression(expression, value):
     if expression == "0" and value not in ['.', '(', ')']:
         return value
-    # Automatically add brackets for functions
     if value in ['sin', 'cos', 'tan', 'log', 'ln', 'sqrt']:
         return expression + value + '('
     return expression + value
@@ -59,7 +57,7 @@ with gr.Blocks(css=css) as iface:
     
     with gr.Row():
         with gr.Column(scale=3):
-            with gr.Box(elem_classes=["calculator-box"]):
+            with gr.Column(elem_classes=["calculator-box"]):
                 # Number pad
                 for i in range(3):
                     with gr.Row():
@@ -72,7 +70,7 @@ with gr.Blocks(css=css) as iface:
                     btn_equals = gr.Button("=", elem_classes=["calculator-button", "basic-op-button"])
         
         with gr.Column(scale=2):
-            with gr.Box(elem_classes=["calculator-box"]):
+            with gr.Column(elem_classes=["calculator-box"]):
                 # Basic operations
                 for op, symbol in [("add", "+"), ("sub", "-"), ("mul", "*"), ("div", "/")]:
                     globals()[f"btn_{op}"] = gr.Button(symbol, elem_classes=["calculator-button", "basic-op-button"])
@@ -82,7 +80,7 @@ with gr.Blocks(css=css) as iface:
                 btn_backspace = gr.Button("⌫", elem_classes=["calculator-button", "basic-op-button"])
         
         with gr.Column(scale=2):
-            with gr.Box(elem_classes=["calculator-box"]):
+            with gr.Column(elem_classes=["calculator-box"]):
                 # Advanced operations
                 for func in ["sin", "cos", "tan", "log", "ln", "sqrt"]:
                     globals()[f"btn_{func}"] = gr.Button(func, elem_classes=["calculator-button", "advanced-op-button"])