Bring up FF (Firebug) console, leave 'Persist' on :) Steps:

• have Firebug up, in Console
• SHIFT-reload this page
• Firebug console: Clear, Persist, Persist [Persist now stays clicked]
• click on tests below
• do Clear, Persist, Persist as needed

basic SMART.helpers.mathFns calls.. These include linStep, pulse, simpleFilterStep etc.

smoothstep(s)

lerp

bias

rnums

trig calls