【實用工具app】GO-25 SciRPN|最夯免費app-綠色工廠好玩App

GO-25 SciRPN simulates the venerable HP-25C Programmable Scientific Calculator. The HP-25C was released in 1976 and sold for a MSRP of $195. Virtually indistinguishable from the real item in operation, GO-25 is a powerful yet simple retro calculator.•Requires iOS 6.0 or higher•RPN•Copy / Paste•Shake to clear X•Programmable with 99 program steps, conditionals, full-speed or single step operation•Built-in library of sample programs•iTunes File Sharing•Swipe-up gesture that displays the stack and memory registers, and the program listing views•For iPad two finger drag operations for displayed views•Addition, subtraction, multiplication, division•Trigonometric functions : sin, cos, tan, sin⁻¹, cos⁻¹, tan⁻¹, degrees, radians or grads•Rectangular/polar coordinate conversion•Hours, minutes, seconds to decimal degrees conversion, and vice-versa•Logarithmic functions : log, 10**x, ln, e**x•Summation Σ+, mean, standard deviation •Other functions : Y**x,1/x, √x, π, FRAC, INT, ABS, %•Display : LED, 10 significant digits (8 + 2 digit exponent in scientific notation), 10-99 to 10+99•Memory : 4 register stack, stack roll down, X-Y interchange, 10 memory registers with register math•Optional thousands separator