Update app.py

app.py

@@ -1,31 +1,49 @@
-# app.py
-import streamlit as st
-from sympy import symbols, diff, integrate, sympify
-
-# Page Configuration
-st.set_page_config(page_title="Derivation & Integration Solver", page_icon="🔢")
-st.title("Derivation & Integration Solver")
-
-# Input Section
-st.header("Input Equation")
-equation = st.text_input("Enter the equation (e.g., x**2 + 3*x + 5):", "")
-variable = st.text_input("Enter the variable (e.g., x):", "x")
-
-if equation and variable:
-    try:
-        # Convert input to sympy objects
-        var = symbols(variable)
-        expr = sympify(equation)
-
-        # Derivative Section
-        st.header("Derivative")
-        derivative = diff(expr, var)
-        st.latex(f"\\frac{{d}}{{d{variable}}}({equation}) = {derivative}")
-
-        # Integration Section
-        st.header("Integral")
-        integral = integrate(expr, var)
-        st.latex(f"\\int ({equation})\,d{variable} = {integral} + C")
-    
-    except Exception as e:
-        st.error(f"An error occurred: {e}")
+  import streamlit as st
+from sympy import symbols, diff, integrate, simplify, sin, cos, tan, exp, log, pi
+from sympy.parsing.sympy_parser import parse_expr
+
+def main():
+    st.title("Math Solver: Derivatives, Integrals, and Trigonometry")
+
+    st.sidebar.header("Choose an Operation")
+    option = st.sidebar.radio("Select:", ("Derivative", "Integral", "Simplify Expression", "Trigonometric Evaluation"))
+
+    st.write("### Input your mathematical expression below")
+
+    user_input = st.text_input("Expression", "e.g., x**2 + 3*x + sin(x)")
+    variable = st.text_input("Variable (default is x)", "x")
+
+    if user_input:
+        try:
+            # Parse the user input
+            var = symbols(variable)
+            expression = parse_expr(user_input)
+
+            if option == "Derivative":
+                result = diff(expression, var)
+                st.write(f"The derivative of {expression} with respect to {variable} is:")
+                st.latex(f"{result}")
+
+            elif option == "Integral":
+                result = integrate(expression, var)
+                st.write(f"The integral of {expression} with respect to {variable} is:")
+                st.latex(f"{result}")
+
+            elif option == "Simplify Expression":
+                result = simplify(expression)
+                st.write(f"The simplified form of {expression} is:")
+                st.latex(f"{result}")
+
+            elif option == "Trigonometric Evaluation":
+                st.write("### Provide a value for the variable")
+                value = st.number_input(f"Value of {variable}")
+
+                evaluated_result = expression.subs(var, value)
+                st.write(f"The result of {expression} when {variable} = {value} is:")
+                st.latex(f"{evaluated_result}")
+
+        except Exception as e:
+            st.error(f"Error in processing the expression: {e}")
+
+if __name__ == "__main__":
+    main()