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Where are the good search engines for mathematical formulas?

Here's what I found so farapproach0.xyz : offlinesearchonmath.com : Gives irrelevant results such as p = m v when searching for F = m ahttps://search.mathweb.org/: A collection of abandoned projects and offline sites

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FL score

35

out of 100

Verdict

SKIP

high confidence

Competition

No competitor data yet

Trend

No signal yet

A search engine specifically designed to find mathematical formulas by equation structure rather than keyword matching.

The pain

Students, researchers, and engineers waste time searching for formulas using Google or Wikipedia. Queries like 'force equals mass times acceleration' return irrelevant results because search engines treat it as text, not mathematical notation. Existing math-specific search tools are abandoned or return wrong equations.

The gap

No active, well-maintained search tool exists that understands mathematical notation and equation structure. Users cannot search by formula shape, variable relationships, or mathematical properties. The existing attempts (offlinesearchonmath.com, mathweb.org) are dead or broken.

Build angle

Start by validating whether this is a real problem people actively search for. Interview 20 math students, engineers, and researchers about their actual search workflows. Determine if they'd switch tools or if they just accept Google's limitations. If validated, build a narrow MVP: a searchable database of 500 common formulas with semantic matching (e.g., recognizing F=ma is equivalent to force=mass×acceleration). Use existing math indexing libraries rather than building from scratch.

Strengths

  • Clear problem statement with concrete examples of existing tool failures
  • Niche audience (STEM professionals) with specific, repeatable needs
  • Low competition due to abandoned existing attempts
  • Potential to integrate with academic databases and textbooks

Risks

  • Unclear if this is a frequent enough pain point to sustain a business, most users may simply accept Google or use domain-specific tools (Wolfram Alpha, Desmos)
  • Building semantic math search is technically complex; requires OCR, LaTeX parsing, and equation normalization
  • Monetization unclear: students won't pay, institutions may use free alternatives, researchers have niche needs
  • Network effects are weak, value doesn't increase with more users
  • Wolfram Alpha and similar incumbents already solve this partially for paying customers

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