cask 'hp-prime' do version '2018_10_16' sha256 '5bbb8f101d57f48a9c1323c890a17caec7d145656ebbe7b4978da92edf62f34a' url "ftp://ftp.hp.com/pub/calculators/Prime/HP_Prime_Virtual_Calculator_#{version}.dmg" name 'HP Prime' homepage 'https://www8.hp.com/us/en/campaigns/prime-graphing-calculator/overview.html' app 'HP Prime.app' end