At my last job, which involved a lot of number work, my boss would often pick up my HP-12C to quickly calculate something we were talking about. Every single t

At my last job, which involved a lot of number work, my boss would often pick up my HP-12C to quickly calculate something we were talking about. Every single time, he'd say, "Your calculator is broken," then put it back on my desk. It became a running joke of ours.