Challenge: Design and prototype a calculator app for either desktop of mobile. Try using button techniques from challenge #2.
Get the starter file here: http://bit.ly/XD-dcc6
https://www.behance.net/challenge/xd
Join your host Howard Pinsky every morning at 11:30am PT. He’ll show you how to approach each challenge using Adobe XD. Complete 9 challenges by April 26th and you’ll be on your way to sharpening your skills. Get your questions answered, see what the community is creating and get feedback on your work – see you there!
source