To better support our Igor Pro users, we offer these printed manuals from Lulu.com for the cost of printing and shipping. (Note: Every copy of Igor includes a PDF version of all six volumes of the Igor Pro 6 manual. Choose "Manual" from Igor's "Help" menu.) For details about Igor Pro, our powerful and extensible scientific graphing, data analysis, image processing and programming software tool for scientists and engineers using Macintosh and Windows computers, please visit our website.