r.Calc vs x36

This classic RPN (Reverse Polish Notation) calculator is a simple calculator for daily uses. The calculator features a four visible level stack, the total stack size has a total of hundred positions. A progress bar on the top of the screen shows you how the stack is full. For now the implemented operations are; Plus, Minus, Multiply, Divide, Opposite, Inverse. Other facilities like swap the first two number in the stack and recall from the last operation the two arguments should simplify the life. All keyboard errors are notified by a vibration.

This calculator is packed with features common to any good scientific and engineering calculator from the 70's and 80's including: Programability. Can store up to 1000 steps. Includes label, jump, loop and subroutine capability. -Common mathematical operations including square roots, powers, reciprocals, and logarithmic functions. -Up to 15 levels of parenthesis. -A full set of trigonometric functions working with user selectable units of degrees, radians, and gradians. Also performs polar-rectangular and degrees-minutes-seconds - decimal degree conversions. -Common physical constants such as the speed of light, gravitational constant and Avogadro's number. -Single and double variable statistical functions including linear regression. 10 memory storage locations. -Metric-English and English metric conversions. -Four number bases (Decimal, Hexadecimal, Octal, and Binary). -Bit logic operations. -Three display modes (floating point, scientific, and engineering) with user adjustable number of digits displayed. -Can perform operations with fractions! Over 100 functions in all! AND NO ADS!