Bottomless Worksheet of Pressure Conversion

You’ll get endless practice converting between the millibar, atmosphere, and torr scales with this Bottomless Worksheet. A button-click creates another ten problems, with a printed copy and answer sheet also available. Continue reading

Pressure Conversion

Pressure is defined as force per unit area. Use this Formula Solver to learn how to convert between pressure’s primary units of measurement — millibars, atmospheres, and millimeters of Mercury (or torr). Continue reading


Pressure is defined as force per unit area. This Formula Solver! Series program shows the step-by-step solution for finding pressure (in pascals), force (in newtons), or area (in meters squared) from the other two values (which you can enter yourself). Continue reading

Electron Orbitals

Electron configuration in an atom is organized into orbitals and differently shaped subshells. Learn about the s subshell, p subshell, d subshell, and f subshell (and more) in this interactive tour. Continue reading