Purchase Financial Calculators

Below, you can learn more about products from Math Corporation and review options available for purchasing our financial calculators. For any questions about product features, pricing models, or system integration, please contact us.


A calculation engine, which is supplied as a component, to be embedded in current financial management systems. ZMath® Engine is often used by people who want to write their own programs to collect the data and create the output, but who don't want to have to deal with the loan calculations.

The Engine integrates seamlessly into the owners' code granting financial calculation capabilities.


ZMath®Elements™ offers individual calculation components derived from our flagship ZMath®Engine. ZMath®Elements™ components produce individual calculations from data provided by the user. These individual calculation components are popular with web-site developers, software development companies and financial institutions looking to fill a gap or add functionality in their system. Simply choose the calculation component that fits your needs.

ZMath® Stand-Alone is the descendent of the lending section of our original, flagship product. It is a lending calculation package designed for all types of lenders.

This product is targeted at customers that need the capabilities of the ZMath® Engine but are not going to be writing their own software system. It is also an excellent tool for lenders looking for a software package to assist them with their lending tasks.

$479.95 (download), $499.95 (CD), $250.00 (addl licenses)
$100.00 (annual support)


eZMath® is our Web-based product for performing calculations online.

You can purchase individual calculations, packs of calculations or subscribe for unlimited calculations on a monthly or yearly basis.

$2.95 (single use), $10.00 (5 pack), $30.00 (monthly)
$100.00 (yearly)


ZMath®EngineXML™ utilizes XML technology to provide an automated tool to access the ZMath® Engine via the Internet without impacting system resources. The XML technology provides a flexible architecture to allow it to be integrated with your existing application systems. Post an XML document to our secure server and receive a response that includes the complete output of the ZMath® Engine.

To access ZMath®EngineXML™, simply follow the 'Purchase' link on the right. Enter your estimated monthly transactions and add the ZMath®EngineXML™ to the shopping cart. As you complete the checkout process, you will be asked to establish an account on our Web site. No payment or credit card information will be needed. Once your account is approved (please allow up to 72 hours), you can download HTML documents, including schema information, detailed documentation and sample code, and receive instantaneous calculations in response.

Please contact our sales department for more information.


ZMathReverse® is a reverse mortgage calculation engine that fits seamlessly into your applications and provides calculation results back to your application with sub-second response time. It calculates the U.S. Department of Housing and Urban Development's (HUD) Home Equity Conversion Mortgage (HECM) and Fannie Mae's Home Keeper SM Mortgage. All calculations comply with the Federal Truth in Lending Act (Regulation Z) and include the Total Annual Loan Cost (TALC) numbers and table.

eZMath®Reverse™ is an online calculator allowing instantaneous calculations of reverse mortgages. eZMath®Reverse™ calculates the U.S. Department of Housing and Urban Development’s (HUD) Home Equity Conversion Mortgage (HECM) and Fannie Mae’s Home Keeper® Mortgage. All calculations comply with the Federal Truth in Lending Act (Regulation Z).

It is easy to purchase a financial calculator. You can buy individual calculations, packs of calculations or subscribe for unlimited calculations on a monthly or yearly basis. 

$2.95 (single use), $10.00 (5 pack),  $30.00 (monthly)
$100.00 (yearly)


ZMathReverseXML® utilizes XML technology to provide an automated tool to access the Math Corporation ZMath® Reverse Engine via the Internet.   The XML technology provides a flexible architecture to allow it to be integrated with your existing reverse mortgage application systems.   Post an XML document to our secure server and receive a response that includes the complete output of the ZMath® Reverse Engine.  

Please contact our sales department for more information.


eDDMath™, an online version of ddMath® Desktop , is a full-featured savings calculation processor that outputs information in compliance with the Federal Truth in Savings Act (Regulation DD).

$2.95 (single use), $10.00 (5 pack), $30.00 (monthly)
$100.00 (yearly)