# Simple example. Plotting expressions: from pysga import * k=SGplot(0,'K-Plot') l=k.layer(1) l.plot_expression('x*(x-10.0)') l.xaxis().set_range(0,10) l.xaxis().set_ticks(1,0) l.yaxis().set_range(-30,0) l.yaxis().set_ticks(6,1)