에 의해 작성된 DEVONtechnologies, LLC
1. Enter calculations into any Service-aware app such as TextEdit, Mail, Messages, Safari, or Xcode, and calculate the result with a single keystroke.
2. Append the result to the formula, replace the selected text with the result, or show the result in a panel.
3. Never launch Calculator again if you just need a quick calculation.
PcMac Store 
