Open Settings and select the working language and units shown by the app; confirm the interface changed before entering vessel data.

Open the profile from Home and enter approved vessel, hydrostatic, stability, tank and capacity data. You can explore the app with the built-in example vessel, then replace every example value before real work.
Open Settings and select the working language and units shown by the app; confirm the interface changed before entering vessel data.




Return to Home and confirm the selected vessel, available workspaces and access/data requirements; resolve any missing requirement before starting a task.
CaptainCalc is decision support. It never replaces approved stability data, loading computers, ECDIS, official publications, procedures or professional judgment.
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