| d'Ocagne, Philbert | <person> French mathematician, 1862-1938. See: d'Ocagne nomogram. (05 Mar 2000) |
|---|
| d'Ocagne nomogram | An alignment chart consisting of an arrangement of three or more graduated lines (straight or curved), each constituting a scale of values of a variable, constructed so that any straight line crossing these scales connects the simultaneously compatible values; from values for any two variables, the values of all other variables can be determined. (05 Mar 2000) |
|---|