A tool designed for determining the total pressure exerted on a system, encompassing both atmospheric and gauge pressures, is fundamental in various scientific and engineering disciplines. For instance, determining the pressure at the bottom of a body of water requires accounting for both the weight of the water (gauge pressure) and the atmospheric pressure acting on the surface.
Accurate pressure assessment is critical for ensuring the safety and efficiency of numerous applications, ranging from the design of pressure vessels and pipelines to weather forecasting and medical equipment calibration. Historically, these calculations were performed manually using formulas, but digital tools now provide faster and more precise results, facilitating more complex analyses and simulations. This readily available computational power has significantly advanced fields like fluid dynamics, thermodynamics, and meteorology.