You could have downloaded MoneyIsMoney 1.0 for Mac from our software library for free. The software relates to Business Tools.
From the developer:
MoneyIsMoney is a currency converter with a calculator and Internet connection. Features include: Single or Multiple currency conversion Formats the money amounts. Provides a calculator Manages taxes. Updates automaticaly the currency rates using Internet servers.
You may want to check out more Mac applications, such as EuroConverter, Core2 CRM with Invoices or CheckTracker, which might be similar to MoneyIsMoney.