Create app.py

app.py

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+import math
+import streamlit as st
+
+def scientific_calculator():
+    st.title("Scientific Calculator")
+
+    st.sidebar.header("Select Operation")
+    operations = [
+        "Addition",
+        "Subtraction",
+        "Multiplication",
+        "Division",
+        "Exponentiation",
+        "Square Root",
+        "Sine",
+        "Cosine",
+        "Tangent",
+        "Logarithm (base 10)",
+        "Natural Logarithm"
+    ]
+    operation = st.sidebar.selectbox("Choose an operation:", operations)
+
+    if operation in ["Addition", "Subtraction", "Multiplication", "Division", "Exponentiation"]:
+        num1 = st.number_input("Enter first number:", value=0.0)
+        num2 = st.number_input("Enter second number:", value=0.0)
+
+        if operation == "Addition":
+            st.write(f"Result: {num1} + {num2} = {num1 + num2}")
+        elif operation == "Subtraction":
+            st.write(f"Result: {num1} - {num2} = {num1 - num2}")
+        elif operation == "Multiplication":
+            st.write(f"Result: {num1} × {num2} = {num1 * num2}")
+        elif operation == "Division":
+            if num2 == 0:
+                st.error("Error: Division by zero!")
+            else:
+                st.write(f"Result: {num1} ÷ {num2} = {num1 / num2}")
+        elif operation == "Exponentiation":
+            st.write(f"Result: {num1} ^ {num2} = {num1 ** num2}")
+
+    elif operation == "Square Root":
+        num = st.number_input("Enter a number:", value=0.0)
+        if num < 0:
+            st.error("Error: Cannot calculate the square root of a negative number!")
+        else:
+            st.write(f"Result: √{num} = {math.sqrt(num)}")
+
+    elif operation in ["Sine", "Cosine", "Tangent"]:
+        angle = st.number_input("Enter the angle in degrees:", value=0.0)
+        radians = math.radians(angle)
+
+        if operation == "Sine":
+            st.write(f"Result: sin({angle}) = {math.sin(radians)}")
+        elif operation == "Cosine":
+            st.write(f"Result: cos({angle}) = {math.cos(radians)}")
+        elif operation == "Tangent":
+            st.write(f"Result: tan({angle}) = {math.tan(radians)}")
+
+    elif operation == "Logarithm (base 10)":
+        num = st.number_input("Enter a number:", value=0.0)
+        if num <= 0:
+            st.error("Error: Logarithm undefined for non-positive numbers!")
+        else:
+            st.write(f"Result: log10({num}) = {math.log10(num)}")
+
+    elif operation == "Natural Logarithm":
+        num = st.number_input("Enter a number:", value=0.0)
+        if num <= 0:
+            st.error("Error: Natural logarithm undefined for non-positive numbers!")
+        else:
+            st.write(f"Result: ln({num}) = {math.log(num)}")
+
+if __name__ == "__main__":
+    scientific_calculator()