Free tools
Deterministic calculators. No AI involved.
Arithmetic you can check, with the formula shown. No model in the loop — these give the same answer every time, which is what you want from the parts of the job that are not a judgement call.
Where it is today
The calculators run inside the workbench, which opens in October 2026. Bringing a first set out here — where they will need nothing at all — is next.
In the meantime: request early access or browse the open reference.