how is a learning curve measured and calculated 
a learning curve is measured and calculated by determining the amount of time it will take to perform a task then a learning curve assigns an improvement value to identify the rate of efficiency the task performer will incur as they learn and become more proficient at the task the formal calculation to identify the cumulate time is y ax b where y is the total amount of time taken a is the time to produce the first task x is the total number of tasks performed and b is the slope of the learning curve 