Sawbuck and the Roman numeral X (10), which formerly appeared on $10 bills. A "double sawbuck" is a twenty dollar bill. Sawbuck A sawbuck is a device for holding wood so that it may be cut into pieces. Easily made in the field from rough material, it consists of an "X" form at each end which are joined by cross bars below the intersections of the X's. The stock to be cut is placed in the V's formed above the intersections of the X's. A sawbuck is very simple to build. The five "V" sawbuck was designed with 10 vertical 2×4s,
The purpose of a system is what it does The purpose of a system is what it does The purpose of a system is what it does (POSIWID) is a systems thinking heuristic coined by Stafford Beer. Stafford Beer coined the term POSIWID and used it many times in public addresses. In his address to the University of Valladolid, Spain, in October 2001, he said "According to the cybernetician, the purpose of a system is what it does. This is a basic dictum. It stands for bald fact, which makes a better starting point in seeking understanding than the familiar attributions of good intention, prejudices about expectations, moral judgment,