GCSE Eduqas Graphical skills - Eduqas Pie charts, scatter graphs and other geographical graphs explained Graphs, charts and maps can be used to show geographical information.

Pie charts show percentages as a circle, divided into segments. A pie chart could be used to show how students travel to school. Each piece of data is shown as a proportion of 360, because there ...

[James]’ DIY chart plotter overlays the received AIS data over marine charts on a nice big display. A Raspberry Pi 3B+, AIS Receiver Hat, USB GPS dongle and a makes up the core of the system.