SUM functions Probably the most frequently used function in Excel (or any other spreadsheet program), =SUM does just that: It sums a column, row, or range of numbers—but it doesn’t just sum. It also subtracts, multiplies, divides, and uses any of the comparison operators to return a result of 1 (true) or 0 (false). You […]
Superfetch 100% disk usage
Superfetch is a Windows service that is intended to make your applications launch faster and improve your system respond speed. It does so by pre-loading programs you frequently use into RAM so that they don’t have to be called from the hard drive every time you run them. If this service is affecting your computer performance, […]