When you want to copy the result of the cell to another cell in Excel, the target displays an invalid references error messag. This error can be avoided by copying cell value into target cell and not the whole formulas.
Prepare to be dazzled. Spectacular timelapse video created from the pictures taken by the astronauts who worked on the International Space Station in the last 11 years.
Truly amazing work by the NYC Grid guys creating images composed of two images at the exactly same location only decades or sometimes even century apart.
In this day of age, it's very practical to have a Windows 7 installation on your USB key, for many netbooks and devices don't come with CD/DVD drives anymore.
Proper education and ability to put the theory in practice is a winning combination when looking for new job, let's learn some basic phrases in French language.