Updated 15 May 2026Independent calculator policy referenceMethodology · Corrections
examcalculator·guideAn independent reference
Chapter the FirstA reference for exam day

The Approved
Calculator Checker.

A plain-language ledger for checking whether a specific physical calculator is permitted on a specific exam, verified against the testing authority's own published policy.

17
Evidence-backed verdicts published to date
3
U.S. exam policies covered in this edition
90-day
Re-verification cadence against official policy

Part the Second

Browse by examination.

SAT / ACT / FE / AP
Part the Third

Browse by calculator.

10 models in the current guide

Models are grouped by brand for quick lookup in the current guide.

Part the Fourth

On method and verification.

Every verdict starts with the exam authority's published calculator policy, then gets checked against the calculator's hardware class and known barred features.

  1. Locate the primary source.Use the current official policy page or PDF from the testing organization.
  2. Match the device features.Compare CAS, graphing, wireless, app, and keyboard behavior against the rule text.
  3. Date the verdict.Store lastVerified, source access date, confidence, evidence note, and a recheck date.