Despite being one of the exposure controls in photography, the f/stop (or aperture, the terms are interchangeable) remains a source of confusion and mystery to many photographers, even to some who use it all the time.
RACI Matrices. A RACI chart is a matrix of all project activities associated with the responsible people or roles. âAll project activitiesâ includes everything from the day you begin, such as planning, test, design, support, etc.
radian (rad) a unit of angle measure widely used in mathematics and science. One radian is the angle at the center of a circle that cuts off an arc of length equal to the radius. Since the circumference equals 2 pi times the radius, one radian equals 1/(2 pi) of the circle, or approximately 57.295 779Â°.