Procedures for Range Arithmetic (Algorithm 61) CACM July, 1961 Gibb, A. CA610706 JB March 16, 1978 10:25 PM 1524 5 311 1931 5 311 311 5 311 311 5 311 311 5 311 2214 5 311 2544 5 311 879 6 311 1177 6 311 1197 6 311 1524 6 311 311 6 311 311 6 311 311 6 311 311 6 311 2214 6 311