Small by design

Privacy and saved work

These utilities run locally in your browser. There is no account, automatic upload, or persistent storage of your inputs. Export your work before closing or refreshing the page. The hosting service receives ordinary page requests, including network information such as your IP address.

Editorial approach

Our guides explain practical workflows with examples and reusable templates. Outputs are starting points: check academic facts against your course materials. Calculators show estimates, not guarantees about grades or memory.

Accessibility

Use a keyboard to navigate fields and buttons. Text output can be copied into your preferred editor. PDF exports are visual worksheets; retain the text version when an accessible document is required.