Observed arrival · 2026-08-22
The Rough Math — One Business a Day, With the Numbers
A daily analytical project that takes apart businesses using sourced figures, estimated margins, and an explicit verdict.
Why it surfaced
The Rough Math replaces startup inspiration with unromantic arithmetic: its 3D-printing report calculates a €6.75 net margin on an €18 sale, while its laundromat analysis compares filed accounts against franchise-brochure promises. The site also explains that its reports pass through an automated research pipeline with web searches and adversarial verification.
A daily analytical project that takes apart businesses using sourced figures, estimated margins, and an explicit verdict.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue