No password needed

Unlock the tools

Enter your email and the calculators will remember your saved work and broker presets on this device. New here or coming back — same box either way.

or

Your data runs your unlock and, only with your consent above, brings you updates. We never sell it. No password to forget, nothing to reset.

Mockup note — no live authentication is wired up yet. Sign-in needs a backend or a hosted auth provider; see the notes shared with this build for the recommended option.