Unlike dealing with giant software vendors, with Interlink Systems you can have an immediate impact on this product. I value your feedback and suggestions. Trouble with the program? Confusing manual? Something missing? Upset? Happy? Let me know by going to the contacts page and sending me an email. If you have a problem with one of your projects, or think you have found a bug, please attach your project file to the email with instructions on how to produce the problem. I will check it out and get back with you.

Download Precharge Calculator version 1.502 - 12 Jan 2012 
Download installation instructions
Version 1.502 adds some features, greatly improves the Sequence mode, and fixes bugs in the Sequence printouts. This is the most recent version. Do not install this version if your maintenance period does not cover the date in the link. Be sure and keep your own copy of the version you are currently using. This will not run without a valid license file. Contact Interlink Systems for licensing terms.

Precharge Calculator Operator's Manual
Download just the latest operator's manual for Precharge Calculator.

Download Precharge Calculator version 1.400 
Update instructions for the owner of any revision prior to 1.400
Any program executable file prior to version 1.400 can be used as a license file for version 1.400.  If you have an earlier verision, you should install this update since 1.400 contains a number of improvements and bug fixes and this is the easiest way to get them for free.