Exponent Digital
http://www.expdigital.co.uk

SCal v4 Version History

4.0.0	-	Graphical interface, extra calculators, new installer.
3.0.0	-	Not publically avaialable
2.0.0	-	Not publically avaialable
1.0.0	-	Command line version, now permanently in the exponent archive (our first software!)