“Imagine a pie chart that shows Visuals at 42 percent, Numbers at 36 percent, Stupid Jokes at 15 percent and Random Complaints at 7 percent. Now let’s convert that to a bar chart.” ...
The entire setup cost about $350. The Pi runs OpenCPN, an open source chart plotter and navigation software package that [John] says is rivals most commercial software. As most Pi users will know ...
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