Update app.py

app.py

@@ -14,44 +14,44 @@ def calculate(expression):
 st.title("Scientific Calculator")
 
 # Input for the mathematical expression
-expression = st.text_input("Enter a mathematical expression", key="expression_input")
+expression = st.text_input("Enter a mathematical expression", "")
 
 # Create buttons below the input field for mathematical operations
 col1, col2, col3 = st.columns(3)
 
 with col1:
-    if st.button('sin(x)', key='sin_button'):
-        expression += 'sin()'
+    if st.button('sin(x)'):
+        expression += 'sin('
 with col2:
-    if st.button('cos(x)', key='cos_button'):
-        expression += 'cos()'
+    if st.button('cos(x)'):
+        expression += 'cos('
 with col3:
-    if st.button('tan(x)', key='tan_button'):
-        expression += 'tan()'
+    if st.button('tan(x)'):
+        expression += 'tan('
 
 col4, col5, col6 = st.columns(3)
 
 with col4:
-    if st.button('log(x)', key='log_button'):
-        expression += 'log()'
+    if st.button('log(x)'):
+        expression += 'log('
 with col5:
-    if st.button('sqrt(x)', key='sqrt_button'):
-        expression += 'sqrt()'
+    if st.button('sqrt(x)'):
+        expression += 'sqrt('
 with col6:
-    if st.button('exp(x)', key='exp_button'):
-        expression += 'exp()'
+    if st.button('exp(x)'):
+        expression += 'exp('
 
 col7, col8 = st.columns(2)
 
 with col7:
-    if st.button('pi', key='pi_button'):
+    if st.button('pi'):
         expression += 'math.pi'
 with col8:
-    if st.button('e', key='e_button'):
+    if st.button('e'):
         expression += 'math.e'
 
 # Display the updated expression in the text box
-expression = st.text_input("Enter a mathematical expression", value=expression, key="expression_input_updated")
+st.text_input("Enter a mathematical expression", expression)
 
 # Operations
 if expression: