compatibility (Aug.2011)

version year of release	application compatibility	data compatibility	main changes
KESYS 10	upgrades recommended	convertible	Version split: SAFE or OPEN
KESYS 04..09	upgrades recommended	convertible	many new functions added
KESYS 03	upgrade on request only yet	convertible	advanced on screen help
KESYS 02	upgrade available	convertible	256-bit numeric
KESYS 01	KESYS 98/99	all previous	data import/export
KESYS 99	KESYS 98 only	KESYS 98 only	faster shorter
KESYS 98	not before 03/1998	KXMS only	native graphics, 586
KXMS 92-95	---------------	FAT only	fast short BIOS-override, 486
KEMM 88-93	---------------	FAT only	protected mode link

NOTE:
HEX_WORK based applications cannot be upgraded to KESYS-versions.