What do I need to open the kits?

There are very minimal software requirements.

  1. A PDF reader. Chances are you have this already. Adobe Acrobat Reader is the most popular, but there are other options out there as well. If you need to download Acrobat Reader, here is the link.
  2. An Excel viewer. The calculators are written in Excel, so you should have a way of opening xls files. The most common way is through Microsoft Office, which you probably have too. If not, you can either download a free excel viewer, or pick up the popular (and free) Open Office Suite.
  3. A zip extractor program. Winzip is the most popular, or Stuffit for the Mac Operating system. But chances are, you already have this installed too. Windows XP and beyond have a program built in to handle zip files. Or you can also search for another program to handle zip files.
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