APR Spread Calculator Uses the Actuarial Method of calculating APRs for mortgage loans. Platforms: Windows 95/98/Me/NT/2000/XP     Size: 655 K     Cost: $19.95 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions APR Spread Calculator: APR Spread Calculator uses the Actuarial Method of calculating Annual Percentage Rates for mortgage loans as explained in Appendix J of 12 CFR Ch. II, Pt. 226, the portion of the United States Code of Federal Regulations known as Regulation Z. In addition to the basic APR calculation, APR Spread Calculator also provides a spreadsheet-like grid of APRs by loan amounts and fixed fee amounts.