MACLIB : is a collection of MACROS that can be added to the system macro library to be used with MACRO11 programs. Included in the collection are the macros : PUSH , POP - to store and retreive registers R0 to R5 BINDIS ,BINDNR - to display #'s in binary on the TT: OCTDIS ,OCTDNR - to display #'s in octal on the TT: DECDIS ,DECDNR - to display #'s in decimal on the TT: HEXDIS ,HEXDNR - to display #'s in hexidecimal on the TT: TTYO - to display a string of ASCII characters. The program BASE.MAC shows how to use these macros in a program & displays the equivalent value of a number in all four bases.