Web
Instrumentum
Calculators with short explainers in English and Korean.
Instrumentum is the compact calculator site from the same studio. It keeps a short list of tools — percentage, units, VAT, dates, color contrast, and similar everyday jobs — and pairs each one with a written explainer. Results are for convenience. Double-check anything important.
Open https://phaseoutlimit-instrumentum.pages.dev/ . For feedback, email [email protected] with “Instrumentum” in the subject.