Say I want cell B4 = cell F4.

In B4 I go "=F4"

Why do people go "=+F4"

Both work, but what is the point?

Thanks

EDIT: i.e. this screenshot of a problem i'm working on: [![enter image description here](https://i.stack.imgur.com/r5VhD.png)](https://i.stack.imgur.com/r5VhD.png)