http://peltiertech.com/Excel/Charts/axes.html#StakCht
"frances" wrote in message
...
I would like to know how to plot multiple sets of data on a scatter graph
for
example i have 3 sets of data for three types of lighting systems, red,
green
and blue i want to plot the voltage againt the current, and i want all the
data on one graph so i can compare them, how do i do it?