Q. I often save multiple versions of the same Excel file (usually with differing assumptions) and later have difficulty telling which file is which when I want to revert to a previous version. Any ...

Most electronics designers have at their fingertips a useful tool for performing design calculations; they just don't know it. It is the Excel spreadsheet program, and it has many features that can be ...

In my business I have to assemble a wide range of scenarios so we can prepare negotiations on pricing certain projects, and since the scenarios usually contain many variables, that job can take hours.