This is a formula sheet for mathematics, physics, and chemistry that can be folded up and carried in your pocket. Calculations for the required formulas are incorporated into the same application as the formulas themselves. Both Apple's iOS and Google's Android operating systems support the installation of this application.

It is very convenient for students in high school or university, as well as engineers, to look for any formulas online. This is true regardless of how simple or complex the formulas may be. The fact that this is the case persists despite the fact that the formulas themselves can be notoriously challenging to grasp.