, and official support or purchase options have largely disappeared.
: If you don't want to pay for a registration code, the developer offers Moffsoft FreeCalc. This is a completely freeware version that does not require a registration code, though it lacks the advanced financial and unit conversion features found in Calculator 2. Why Use a Registered Version?
Registering the software unlocks the full version of the Moffsoft Calculator 2, which includes: