Flexbound

Science library

We publish the rules the app runs.

Every calculator in Flexbound, documented: the formulas, the peer-reviewed evidence, and the honest limits. Check our work.

Versioned rulesPeer-reviewed sourcesKnown limits

Method register

Training

Formula, evidence grade, implementation note, and the point where confidence stops.

Method register

Programming

Formula, evidence grade, implementation note, and the point where confidence stops.

Method register

Nutrition

Formula, evidence grade, implementation note, and the point where confidence stops.

Method register

Recovery

Formula, evidence grade, implementation note, and the point where confidence stops.

Early access on iOS

This math ships in the app.

Every page in this library runs deterministically in Flexbound. The work is versioned, cited, and auditable. In early access on iOS.

Join the early-access listRead how it thinks first →