Welcome to SoftwareMASS.com,

CustomCalcs™ website calculators are custom designed and are based on the spreadsheet models our customers provide. They are configured to match our Clients' web sites and they do the math our Clients want their web site visitors to do without leaving our Clients' web sites!

MoneyToys™ Website Calculators

MoneyToys™ $139.95 USD, is a powerful set of website calculators which allow visitors to perform a variety of financial calculations.

Popup-Calculators.com : Make Your Site Pop!

Popup-Calculators.com is a web site of Horizon Interactive, LLC, a developer of financial software since 1997.  These popup calculators are designed for easy installation on your web site and work for your visitors using Internet Explorer, FireFox, Safari, Opera and other web browsers on computers with Microsoft Windows, Linux and Apple operating systems.