2-1/2

lunch-counter code for a small glass of milk.

Proposition 2-½

a Massaschusetts act passed in 1980 that put a 2.5 percent cap on annual property-tax increases.

two-and-a-half-striper

a naval lieutenant commander.

You Only Live Twice

the fifth of the James Bond flicks, set mostly in Japan, has 007 (Sean Connery) saving the world from SPECTRE bad guy Donald Pleasence.

Released in 1967, this was not one of the better films in the series.

Y2K or Y2K Problem

Year 2000 problem: the anticipated computer dysfunction when the year changed from 1999 to 2000. Date-related processing was expected

to develop problems because the year in many programs was represented by two digits, and when 99 turned to 00, it was feared that

computers would interpret this as the year 1900.