App: PlainCalc
Developer: James Walker
Genres: Utilities, Productivity

PlainCalc is a buttonless, algebraic-entry, mathematical calculator with variables and functions. To use PlainCalc, type an expression or assignment and press Return or Enter. Unlike most calculators I've seen, PlainCalc allows you to indicate multiplication by juxtaposition, e.g., you can write 2πr instead of 2*π*r.  Built-in functions include trigonometric functions, logarithms, and square root.

Release notes: