G-Code is the common name for the programming language of CNC Machines. Somewhat of a generic, catch-all type of term for CNC programming language. Very few machines adhere to this standard today. There are as many varations as there are manufacturers.
G-Codes, M-Codes And Do I Have To Be An Expert On Them?
What is an M-Code?
History of Hewlett Packard and Ink
Hewlett Packards tryst with ink took off when it acquired a company named F.L Mosley based in California in 1958. Mosley was manufacturing recorders and plotters for industrial applications such as continuous process monitoring systems, data loggers and the like in the 1950s.