PhysiCalc is a free scientific calculator mainly aimed at students and scientists working in the physical sciences. However, anyone can use it. This app offers many scientific functions and features, including fraction and indices. The user interface is uncluttered and easy to use. Moreover, the calculator allows users to define and use their constants in calculations, and it comes with 30 standard constants to get started.

PhysiCalc is an ad-free app that offers an intuitive interface, which allows users to tap the screen or use volume buttons to move the cursor. Its feature to input fractions and indices as they would be written on paper, with the numerator above the denominator, is noteworthy. The app also offers access to many standard scientific functions and allows users to store and recall results in up to three memory buttons. Additionally, users can choose from a range of significant figures to display their results, insert physical constants into their equations, and even add their constants. Lastly, users can shake their device to generate a random number or clear the screen and choose between radians and degrees for trigonometric functions.