Resolutioner funktioniert nicht

When choosing your scale, you can either put in a standard fraction like 16:9, or put in a resolution you want to scale up or down while keeping the same aspect.  diese App is a simple utility app for calculating resolutions, aspect ratios, and saving resolutions for future reference.  The resolution calculator helps you to calculate a resolution by filling in the other side, according to your set ratio.  And when you've got a resolution you want to save, just tap Add Preset to save it with a custom name.  You can edit your presets at any time. diese App supports iPhone, iPad, and Mac.  Editing the set ratio is as simple as a tap, too.  All of your saved presets sync over iCloud, too.