a mathematical relationship used to describe the learning effect.
learning effect
the continued reduction in the amount of time required to complete a new task, sequence of tasks, or project, as a result of acquiring experience and skill in the job.
log-log scale
a type of graph paper that has logarithmic scales in both the horizontal and vertical directions.
natural logarithms
the logarithm of a number, x, to the base, e = 2.7183. That is, .
negotiated purchasing
contracting for specialized items that may have a high degree of complexity.
unit time
the number of direct labor hours required for the nth unit in production.