Most of us have not tested our arithmetic skills since we were forced to in grade school, but some are reaching back into their memories to solve a math equation that has left social media users ...

Get your timer out and see whether you can remember the golden rule from grade school math class.

Math Notes is introduced in the latest version of iOS and iPadOS 18. It automatically calculates math equations and displays the results as you write. You can use it to solve various math problems and ...