Added a safe math evaluator

app.py

@@ -1,7 +1,33 @@
+description = """
+Enter a math formula using the following operators and functions:
+
+**Operators:** +, -, *, /, **, %, <, <=, ==, !=, >=, >, &, |, ~
+
+**Functions:** sin, cos, tan, arcsin, arccos, arctan, arctan2, sinh, cosh, tanh, arcsinh, arccosh, arctanh, log, log10, log1p, exp, expm1, sqrt, abs, where, complex, real, imag, conj
+
+**Examples:**
+- exp(2) + sqrt(9)
+- log(10) / 2
+- where(5 > 2, 10, 0)
+- sin(3.14/2) * 2
+"""
+
 import gradio as gr
+import numexpr
+
+def safe_math_eval(expression: str) -> float:
+    try:
+        return numexpr.evaluate(expression).item()
+    except Exception as e:
+        raise ValueError(f"Invalid or unsafe expression: {e}")
 
-def greet(name):
-    return "Hello " + name + "!!"
+demo = gr.Interface(
+    fn=safe_math_eval,
+    inputs=gr.Textbox(label="Math Expression"),
+    outputs=gr.Number(label="Result"),
+    title="Safe Math Formula Evaluator",
+    description=description
+)
 
-demo = gr.Interface(fn=greet, inputs="text", outputs="text")
-demo.launch()
+if __name__ == "__main__":
+    demo.launch(mcp_server=True)