Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
Plot[UnitStep[t]-UnitStep[t-1],{t,-3,4}]
Plot[UnitStep[t]-UnitStep[t-1],{t,-3,4}]
Natural Language
Math Input
Extended Keyboard
