What I like about this app is that there's context and history. I use Spotlight all the time for these conversions, but there's no way for me to keep the last c

What I like about this app is that there's context and history. I use Spotlight all the time for these conversions, but there's no way for me to keep the last calculations around for reference or reuse; I have to put stuff in a text editor for that, which is a lot more awkward.