Cookies & privacy choices
A clear view of what is stored and what you can change.
Updated 19 October 2026
You can use the calculators without an account. Essential account storage is separate from advertising choices.
Storage currently used
| Storage | Why it is used | How long it remains |
|---|---|---|
| Sign-in cookie | Recognizes your signed-in session. It cannot be read by page JavaScript. | Up to 30 days, or until sign-out/revocation |
| Guest browser storage | Saves selected calculator plans, semesters, study setup and motion preference | Until removed or browser data is cleared |
| Account browser cache | Keeps a separate account copy and pending changes for interrupted saves | Until replaced, removed or cleared on sign-out after saving |
| Temporary tab storage | Carries reviewed inputs between connected tools | Until consumed or the tab session ends |
Your advertising choices
No advertising consent has been requested by this version because advertising is off. There is no active Google advertising choice to change here. A real consent message will be added when live advertising is configured.
Your browser controls
You can restrict or clear cookies and local storage in your browser settings. Blocking essential storage can stop sign-in, local saving or queued saves from working. Export work you need before clearing storage. Signing out is different from deleting an account.
Questions
Read the privacy notice or use the feedback page for a question about your information.