Provides drill and tap size charts for fractional, letter, and wire standards. It calculates drill sizes for cutting and forming taps based on thread percentage. It also computes RPM and feed rates for cutting taps in various materials.
Calculate PPI, aspect ratio, and screen dimensions
Calculate PPI, aspect ratio, and screen dimensions in inches or centimeters. Measure height, width, and area of any screen. Access a list of standard resolutions and common devices to preset data quickly.
The app calculates Gompertz curves using three time points and values. It determines the value at an arbitrary time point, modeling biological growth and software reliability.
