Welcome to Math4Law

Do you need to calculate interest on arrears? Having trouble determining the interest on an irregular flow of charges and payments? Trying to figure out how to calculate interest on unpaid child support? Or maybe you need to calculate the present value of a future stream of payments so you can settle a divorce case?

Math4Law solves all these problems and more. This modern web application provides a set of user friendly tools that make every calculation quick, efficient, and error free. 

Interest Tracker

Use Interest Tracker to calculate interest on an irregular flow of charges and payments, such as past due child support, child support arrears, garnishments, debt collections, private loans, and business credit arrangements.

Interest Tracker Capabilities

  • Log charges and payments, auto calculate interest and balance on every transaction.
  • Interest Tracker files are stored in the cloud and are available to all account users.
  • Simple or Compound Interest.
  • Apply Payments in various ways (interest first, principal first).
  • Allow for grace period to meet your state law requirements (if applicable).
  • Save to PDF or print to any installed printer in a printer friendly format.
  • Email the calculation to your inbox or to any other email address.

Ready to give it a try? Start your one-month free trial now. The trial includes all available features. No credit card required!

Start your free trial now

Other Calculators

  • Present Value Calculators
    • Pension Plan
    • Stream of Equal Payments
    • Stream of Increasing Payments (useful for cost-of-living adjustment)
    • Lump Sum needed presently to fund a stream of future payments
    • Maintenance Entitlement
    • Monthly Payment available from Lump Sum
  • Future Value Calculators
    • Stream of Equal Payments over time
    • Value of Lump Sum investment over time
  • Loan payments and terms
  • Save to PDF or print to any installed printer in a printer friendly format.
  • Email the calculation to your inbox or to any other email address.

General

  • Modern and responsive web application, works in every modern browser, such as Chrome, FireFox, Edge, Safari.
  • Available on Windows, Apple, and Android devices.
  • Works on every screen size, from large monitors to smartphones.
  • True multi-user environment for the Law Office. Add your staff to your account for no additional cost.

Start your free trial now

Pricing

After the trial period, Math4Law costs $119 per year. That’s less than $10 a month and includes unlimited users, unlimited calculations, and unlimited devices.

Math4Law is also available for personal use. We offer a single user annual subscription for $79, limited to three Interest Tracker documents. This option is only available for personal use and is not intended for Law Offices or Businesses with a single user.

History

Math4Law is based on Legal Math, the desktop-based application that has been serving Law Offices for nearly 30 years. If you are looking for the desktop version, it is available here.