sympy/sympy — pull request #7260 by shashank-agg (2014-03-11 07:29:50+00:00)
Title: Span selector

Added the span_selector widget.
Usage: >>> plot(sin(x),widget="span_selector")

Also includes the auto-domain tool from the previous PR.
Usage: >>>plot(sin(6*x),auto_domain=True)