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Exact Fractional Base Converter
Convert finite fractions between bases 2–36 with exact repeating or honest truncated output.
Admitted integer or rational text fields
fractional-base.json
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 the admitted values using the labeled input fields.
- Choose the explicit operation and options, then inspect the stated conventions and limits.
- Select Convert fractional base and download fractional-base.json.
Examples
Base 3 input 0.1 becomes decimal 0.(3); a capped incomplete expansion stays explicitly truncated.
Limitations
- At most 128 source digits and 132 raw units; fractional budget 1–4,096 digits/states and 64 KiB report. Repeating-source syntax, arbitrary alphabets and rounding are outside scope.
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