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Exact Integer Polynomial Evaluator
Evaluate an integer polynomial and its derivative exactly at an integer input, with explicit coefficient order and degree.
Comma-separated integer coefficients, Integer evaluation point
JSON polynomial evaluation report
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Enter one through 51 comma-separated signed integer coefficients in descending powers.
- Enter Integer x and select Evaluate polynomial.
- Download polynomial-evaluation.json for exact values and explicit degree information.
Examples
Coefficients 2,0,-3 at x=4 give value 29 and derivative 16.
Limitations
- Degree at most 50, 100 digits per coefficient and x, 6,000 total input UTF-16 units, 4,096 intermediate digits, 64 KiB report and 30 seconds.
- Use decimal integer tokens with optional surrounding ASCII spaces/tabs, not expressions, decimals, fractions, exponents or hexadecimal. Oversized actual arithmetic is refused.
- No symbolic algebra, coefficient extraction, roots or approximate conditioning analysis.
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