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exact-pi: a dependency-free TypeScript engine for exact decimal prefixes of pi, triple cross-verified to ten million digits

integration_instructionsResearch softwarekeyboard_double_arrow_right Software 15 Jul 2026Publisher:Zenodo
Authors: Ghosh, Sagnik; Sarkar, Evan;

doi: 10.5281/zenodo.21384631 , 10.5281/zenodo.21384630

exact-pi: a dependency-free TypeScript engine for exact decimal prefixes of pi, triple cross-verified to ten million digits

Abstract

Computes exact truncated decimal prefixes of pi (verified to ten million digits against independent published references) using the Chudnovsky series evaluated by binary splitting over native BigInt, with zero runtime dependencies. Correctness is enforced by a guard-band truncation protocol and cross-verified by Machin's formula, BBP hexadecimal digit extraction, and SHA-256 output certificates. Companion code for the preprint by Ghosh & Sarkar (2026).

Keywords

BigInt, pi, chudnovsky algorithm, binary splitting, verification, BBP formula, TypeScript, arbitrary precision arithmetic

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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