On Mon, Feb 02, 2004 at 03:58:34AM -0600, Dave Huang wrote: > When did this happen? The triple point of water is 273.16 K, but the > ice point, which is what the Celsius scale uses as reference is 273.15 > K. C = K + 273.15. You are probably right, but can you point me to an authoritative reference? -- Soren