Issue No. 02 - April-June (1981 vol. 1)
Data General's Dasher G300 display terminal offers intelligent graphics, extended alphanumeric capabilities, and compatibility with existing Dasher terminals. The company's Graphics Command Interpreter (GCI), executed within the terminal, provides Englishlike high-level graphics commands for relative and absolute positioning, plotting lines in polar and cartesian coordinates, plotting arcs and straight lines, drawing solid rectangles and circles, filling any closed shape, and defining graphic macros.
"New Products", IEEE Computer Graphics and Applications, vol. 1, no. , pp. 92-108, April-June 1981, doi:10.1109/MCG.1981.1673897