INT 2F U - Jot-It! v1.50 - INSTALLATION CHECK                                   
	AX = FB00h
Return: AX = FFFFh if installed
	    BX = version (BCD(Binary Coded Decimal) A method of data storage where two decimal digits are stored in each byte, one in the upper four bits and the other in the lower four bits.  Since only the values 0 through 9 are used in each half of a byte, BCD values can be read as decimal numbers on a hexadecimal display of memory or a file., BH=major, BL=minor)
SeeAlso: AX=FB03h"Jot-It",AX=FB01h"Jot-It"