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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:
"""Enter a math formula using the supported operators and functions.
**Supported Operators:**
- `+` (addition)
- `-` (subtraction)
- `*` (multiplication)
- `/` (division)
- `**` (power)
- `%` (modulus)
- `<`, `<=`, `==`, `!=`, `>=`, `>` (comparisons)
- `&`, `|`, `~` (bitwise and logical operators)
**Supported Functions:**
- Trigonometric: `sin`, `cos`, `tan`, `arcsin`, `arccos`, `arctan`, `arctan2`
- Hyperbolic: `sinh`, `cosh`, `tanh`, `arcsinh`, `arccosh`, `arctanh`
- Logarithmic & Exponential: `log`, `log10`, `log1p`, `exp`, `expm1`
- Other: `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`
- `abs(-7) + 5**2`
- `log1p(9)`
- `real(complex(3, 4))`
- `arctan2(1, 1)`
- `tanh(2) > 0.9`
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)
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