All Apple Watch models include a stock Calculator app that offers a couple ... in a group owes if you're splitting the bill. The two functions can be used together, but if it's just yourself ...

establish graphs for linear and quadratic inequalities, and even plot graphs for various kinds of functions ... If you have no use for it, you can always turn off Graphing in Calculator.

Excel has a dedicated function to calculate NPV. The following article explains how to use this function in the case of a calculation of NPV with cash flows that are collected in the same periods ...

I prefer using it in the calculator app as it is more straightforward and offers clutter-free experience. Maths Notes is enabled by default on iPadOS 18. You can manually turn it off from the Note ...

Proper familiarity with its functions ... and toggle it on or off by clicking the designated calculator button on the exam ...