I have a chart plotter on a notebook, rarely use it while sailing, use it to plan routes and it is driven by a hand-held Garmin GPS76. I use the GPS to get fixes at sea which are transferred to a chart.
Coastally I navigate by visual verification using a simplified local chart that is marked "Not for navigation" and contains satisfactory detail but doesn't have the distance scales on the sides. These are published by the local Hydrographic Office and distributed by the Coastguard and are named "Recreational Charts".
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"Two possibilities exist: Either we are alone in the Universe or we are not. Both are equally terrifying."
Arthur C. Clarke