New Calculator Button

Heretofore, wherever it seemed like a good idea for my users to have access to a simple 4-function calculator, I'd insert one onto the appropriate screen, like this:

This made it handy and always visible, but only on screens where I had specifically installed it, where it took up valuable real estate. If somebody needed a calculator on some other screen which I hadn't anticipated, they were out of luck.

Well, there's an improved technique available now: floating document windows. These can be opened up with the click of a button (which doesn't take up much screen space), and they stay in the very front of your display, on top of all other windows, until you close them. This is the way I'm now handling the need for a calculator on data-entry screens. Here's what the button looks like:

And here's what the calculator window looks like after you click on it:

Because it's a separate window, you can move it all over the screen so it doesn't cover up the stuff you're working on. You can't resize it, but you can close it, either with the normal red "close window" button supplied by your operating system or the big, obvious, purple "Close This Window" button at the bottom. The purple "C" button at upper left clears all the data fields; "Copy Result" copies the contents of Field 3 (the calculation result) as a pure number onto your clipboard, suitable for pasting into your database; and the iteration-arrow button copies that same number but reinserts it into the top line so you can manipulate it further.