This is a shot in the dark: Can you use the built-in Calculator app and specify a keyboard shortcut via System Preferences > Keyboard > App Shortcuts?


Jon

macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P700, Photoshop CC, Lightroom CC, MS Office 365