The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
The Most interesting calculator! The Most useful calculator!Each number key has a special piano tone, using calculator just like playing the piano.Composing music by the numbers while calculation.Being bored with your traditional calculator? This is the one which can bring you joy.Do you want to know what music is represented by the numbers you're currently calculating?TRY THIS ONE!