RPNscfi

RPNscfi is an advanced scientific and engineering calculator built around RPN (Reverse Polish Notation) input, designed to make complex calculations faster and more precise. It supports complex-number arithmetic, trigonometric functions, logarithmic and exponential calculations, statistical analysis and programmable functions, making it suitable for engineering work, programming tasks and mathematics study. The interface is clean and straightforward, with an emphasis on high-precision floating-point calculation and stable everyday use. It is aimed at engineers, programmers, math enthusiasts and other professional users who need a capable mobile calculation tool. Interested users are welcome to download and install it from iOSIPA Software Network.