Email: cjistek@gmail.com
Include your iOS version and a description of what you tapped and what you expected — screenshots help.
They sync to your personal iCloud automatically. If they didn't come back, check that you're signed into the same Apple ID and that iCloud Drive is enabled in Settings, then force-quit and reopen the app.
Tap any Pro feature (History, EZ, or M) and choose Restore purchase on the screen that appears. Purchases are tied to your Apple ID.
The math is always exact — the display rounds to your chosen precision. Change it in ••• settings under "Round results to" (or pick Exact).
Flip the frac/dec switch under the middle keypads. Decimals convert to exact fractions instantly — 0.375 is 3/8.
The ◆ in the EZ sheet is 19.2 inches — the black-diamond joist mark on a tape measure, five spacings per 8-foot sheet.