You can use the built-in Calculator in Windows to carry out Decimal to Binary conversions. The Windows Calculator file is a UWP app and to open it, type calc in the Start Search bar, and hit Enter ...

He managed to convert four bits of binary into decimal. We’ve seen a LEGO Antikythera mechanism but nothing on the order of an Analytical Engine or some Diamond Age rod logic. Keep it up, [Carl].

Warnings Excel will only produce binary numbers with up to 10 bits. This means that it can only convert decimal numbers greater than -513 and less than 512.