Statistically, the most common symbol in mathematics is the equal sign, which appears in 94% of mathematical expressions.

Long-press on your wallpaper until all your icons start wiggling. Tap on the minus sign of the app you want to hide. On the pop-up menu, tap Remove from Home Screen. The original icon won’t be ...

To rearrange icons, press on an app and hold ... In either case, all of the apps on your iPhone start wiggling and gain a minus-sign icon at top left. To move the apps around, you can again ...