Cartesian graph

Hi all, i've programmed an rpm with arduino, how i use the output that i have for create a realtime updated cartesian graph time/rpm.

Ty, Yaro.

You can check processing .org it is often used in combination with Arduino.

tip: Arduino writes data over serial to processing.

I'll check there too, but if someone know how and reply here i'll appreciate.

That's what i need: