the.com/quadrant
One of four pie slices math drew before pizza existed.
means A quarter of a circle, or an instrument/section based on dividing something into four parts — in math, one of the four regions formed by the x and y axes.
from From Latin 'quadrans' (a fourth part), from 'quattuor' (four). The word named an actual navigational instrument shaped like a quarter-circle, used by sailors and astronomers to measure angles against the horizon long before it settled into its modern life in graphs and geometry class.
- origin
- Latin quadrans, meaning a quarter
- math use
- splits a graph by sign of x and y
- business slang
- consultants love plotting feelings on one
- astronomy tool
- ancient device for measuring star angles