【實用生產應用app】RPN-45 SD|最夯免費app

RPN-45 SD is a complete simulation of the scientific hand-held calculator HP-45 from 1973. Powerful enhancements turn the calculator into an amazingly useful tool for the 21st century.Features:• Photo-realistic look based on an existing device• Animated keys with adjustable click sound and visual feedback• Simulation of the HP-45's computation times (may be disabled)• All functions and operations of the HP-45 fully implemented• "Secret" stopwatch implemented, extended to 100 hours capacity• Stopwatch may be preset to current time• Swipe left across display to correct wrong number entries• Cut/copy/paste of display value• Double-tap display to show stack and all memory registers• Complex numbers may be used in almost all operations• Non-volatile stack registers• 18 non-volatile memory registers (9 for complex numbers)• Exponentiation and faculty accept any values• Hyperbolic functions• Solve linear equations in two or three unknowns• Solve quadratic and cubic equations in one unknown• Normal distribution, Pearson correlation coefficient of paired variables• Linear regression with estimates• Weighted mean• Permutation, Combination (binomial coefficient)• Integer and fractional part of a number• Display rounding• Random numbers in any range, integer or real• Day of the week of any date between Jan 1, 0001 and Dec 31, 9999• Support for Julian dates• Date and day of the week a number of days in the past or future• Number of days between any two dates; support for Julian dates• Last Stack• Convert display value to hexadecimal• Percentage of sum• Register arithmetic includes sum registers and LAST x• Indicators for active prefix keys• Angular mode indicator• Localized decimal pointTap the display for some basic hints.Also available for iPad (RPN-45 HD).For more information, a manual and sample calculations visit the RPN-45 website: www.cuveesoft.chWhat users said (iPad version):"This is by far the best RPN calculator available for the iPad!""Great app that I would recommend to anyone who grew up with an HP-45!""Calculator works great just like my original HP-45. Worth the price and brings back memories of using the slide rule before getting my HP-45.""This is one of the most accurate but also nicest looking emulators I have come across for the HP-45, or any vintage HP calculator for that matter.""With the Super-45 mode functions that were added by the developer, this is an extremely powerful calculator. Very elegant design."

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