> I'm looking for a program to do simple chart plotting, e.g. I have > some voltage measurements taken (say) once a minute and I want to > display how the voltage varies over (say) a day. So that's 1440 > measurements.
Another very simple tool I used to generate such graphs for benchmarks in academic publications is [jgraph](https://web.eecs.utk.edu/~jplank/plank/jgraph/jgraph.html) === Stefan
