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:
    """Safely evaluate a mathematical formula
    
    Args:
        expression: The nunexpr formatted expression to evaluate

    Returns:
        The result of the evaluation
    """
    try:
        return numexpr.evaluate(expression).item()
    except Exception as e:
        raise ValueError(f"Invalid or unsafe expression: {e}")

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
)

if __name__ == "__main__":
    demo.launch(mcp_server=True)