Professional statisticians typically have powerful software at their disposal to perform advanced analyses and create slick graphs. But many professionals in the quality field don't enjoy that luxury. Faced with a limited budget, they must be resourceful with the software they already have. Besides, not everyone needs the capability to perform nonlinear regression with custom loss functions for maximum likelihood!
The need for control over manufacturing processes has never been higher than in today's
environment. As this need has increased, so too has the requirement for better management of the equipment used to measure and control manufacturing processes. Fundamental to managing this equipment properly is ensuring that it's correctly calibrated and maintained.