Infomack is only available as a three part zip file.
Basic understanding of the Windows Operating System is necessary for instalation.
Winzip is required for extraction.

step1: Download Infomack1,2 and 3 to a temporary directory.
step2: Examine the files with Windows Explorer.
step3: Double click on the files and follow Winzip instructions.
step4: Double click on Executable Setup icon.
step5: Enjoy one of the most comprehensive financial calculators available.