LaTeX.org

Hi mas, test engauge-digitizer and i did not go well. At th end i did with WebPlotDigitizer and i stay so:

i did some step additionals in the code latex.



WebPlotDigitizer:

http://arohatgi.info/WebPlotDigitizer/app/

Hi Stefan Kottwitz, unfortunately i have not formula. That making it difficult u.u
Ty for code, i hope improvement it. Very ty for help me.

I need draw these graphs in tikz, but i not have idea by begin :/
The graphs are:

1.- Variation of ionization cross-sections (left)
2.- Townsend first ionization coefficient (right)

Help pls... Ty