Historical names for January include its original Roman designation, Ianuarius, the Saxon term Wulf-monath (meaning wolf month) and Charlemagne's designation Wintarmanoth (winter / cold month). In Slovene, it is traditionally called januÃ¡r.
Chemical engineers use math frequently in the laboratory. They use advanced computer software to aid in their research and production processes to model theoretical synthesis techniques and properties of chemical compounds.
The History of Science in United States: An Encyclopedia puts this at around 1890. Chemical engineering, describing the use of mechanical equipment in the chemical industry, became common vocabulary in England after 1850.