Chiron is an iPad app that understands math as it’s written - like Grammarly for algebra. We’re both Oxford math grads, have tutored for a decade, and we’re creating the future of learning which will be entirely 1-on-1.
Chiron is a Y Combinator company in the Spring 2025 batch. Its directory entry describes it as: Grammarly for Math ✏️. The founders listed are James Booth (Founder/CEO), Max Booth (Founder/CTO) (Y Combinator directory entry, May 24, 2025).
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
Chiron is an iPad app that understands math as it’s written - like Grammarly for algebra. We’re both Oxford math grads, have tutored for a decade, and we’re creating the future of learning which will be entirely 1-on-1.
Checked away from the directory entry. What is below does not come from the company's Y Combinator page.
The title and description the site itself served, answering 200. Not a cached copy and not the company's directory entry — what was live when we asked.
James Booth
Founder/CEO
English, 24, Oxford math grad. Figuring out neurosymbolics for math.
Max Booth
Founder/CTO
Mathematician from Oxford, working to make math easier and more enjoyable for everyone.
Founders, titles and bios as the company published them. Photographs are our own copies of the ones on that record, so they do not break when the original link expires.
No investor is drawn from a Form D — the form states how many invested and never who. The one investor on this graph is named because a batch has exactly one.
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
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The Short Answer
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What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
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Warning Bells
Sources
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