# Computations

OKF v0.2 introduced the `Attested Computation` concept type to answer a question that matters the moment an agent reports a figure: **was this number produced the sanctioned way, or did the agent improvise?**

Dentakay has exactly one figure-producing surface — the on-site cost calculator. This directory declares it as the sanctioned computation, so an agent knows it must **invoke** the calculator rather than compute, recall or estimate.

* [Treatment cost estimate](treatment-cost-estimate.md) - the sanctioned way to obtain an indicative range. `status: draft` until a machine-callable executor exists.

# The point

Every other pricing rule in this bundle is a prohibition: do not quote, do not compute, do not compare. Prohibitions alone leave an agent with nothing to do when a patient asks what something costs, and an agent with nothing to do improvises.

This directory replaces the last prohibition with an instruction. That is the difference between "never state a price" and "here is the only permitted way to produce one".

# Related

[Pricing policy](/policies/pricing-policy.md) · [What determines cost](/comparisons/what-determines-cost.md) · [Run the cost calculator](/skills/run-cost-calculator.md)