I’ve been using PCs for the better part of two decades, and in all that time, I’ve used Windows’ calculator maybe four times. As such, that the following has never been noticed by me isn’t exactly surprising, and if the breadth of your experience with the program is anywhere as vast as mine, it’s not surprising that you haven’t noticed, either. But apparently, Windows’ calculator is lying to you. According to Windows calculator, two minus two doesn’t equal zero. That’s not exactly true, but kinda. Be a peach and open up Windows’ calc for a second, would you? Thanks, you’re the best. Alright, find…