RPN-45 HD

Vintage Calculator (1973)

Разработчик: CuVee Software
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Описание

RPN-45 HD is a complete simulation of the scientific hand-held calculator HP-45 from 1973. Processing times and behavior have been carefully modelled after the original. Switch to the "Super-45" mode and watch the HP-45 do things never seen before.
Features:
• Photo-realistic look based on an existing device
• Animated keys with adjustable click sound and visual feedback
• All functions and operations of the HP-45 fully implemented
• Supports "secret" timer. Use it as 12/100-hours timer or even as a chess clock.
• Optional hyperbolic functions
• Simulation of the HP-45's computation times (optional)
• Correct wrong number entries by swiping left across the display
• Cut/copy/paste display value
• "Live" display of stack and all memory registers (in landscape mode)
• Built-in manual
• 30 selectable background images, even add your own
• HP-91-like paper tape printer:
- Supports MAN, ALL, and NORM modes
- Quickly insert arbitrary text
- Delete any line
- Send tape via E-Mail or to any AirPrint-capable printer
- Ribbon color black or blue
- Optionally print negative results in red
- Print stack and registers
• Supports external hardware keyboard
Turn on "Super-45" and enjoy a super-charged HP-45:
• Complex numbers: available for almost all operations and functions
• More memory: twice the number of memory registers.
• "Continuous" stack and memory registers
• Improved functions:
- Raise any number to any power
- Factorial of any number, incl. complex
- Logarithm and square root of negative numbers
- Preset timer with the iPad's real time
- Chess clock mode
• New functions:
- Solve linear equations in two or three unknowns
- Find the roots of quadratic and cubic equations
- Statistics: normal distribution and correlation coefficient of paired variables
- Linear regression, combinations, permutations
- Logarithm to any base, incl. complex
- Integer and fractional parts
- Display rounding
- Random numbers in a given range
- Day of the week for any date between Jan 1, 0001 and Dec 31, 9999
- Easter date for any year between 1583 and 4099
- Support for Julian dates
- Number of days between any two dates
- Last Stack
- Convert display value to hexadecimal
- Percentage of sum
- Register arithmetic includes sum registers and LAST x
- Clear all registers
- Backup registers in a protected area
• Enhanced user interface:
- Visual indicators for prefix keys and angular modes
- Small values switch to scientific notation if required
- Localized decimal point
- Thousand's separator

For more information and sample calculations visit cuveesoft.ch/rpn45/en

WHAT USERS SAID:
"A great simulation of the HP-45. Beautifully made, with a lot of attention to small details."
"This is by far the best RPN calculator available for the iPad!"
"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."
"This is exactly what I've been searching. My HP 45 packed up some time ago. Thank you so much!"
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Скриншоты

RPN-45 HD Частые Вопросы

  • Приложение RPN-45 HD бесплатное?

    Да, RPN-45 HD полностью бесплатное и не содержит встроенных покупок или подписок.

  • Является ли RPN-45 HD фейковым или мошенническим?

    🤔 Качество приложения RPN-45 HD спорное. Некоторые пользователи довольны, в то время как другие сообщают о проблемах. Рекомендуем ознакомиться с отдельными отзывами для получения более полной картины.

    Спасибо за ваш голос

  • Сколько стоит RPN-45 HD?

    Приложение RPN-45 HD бесплатное.

  • Сколько зарабатывает RPN-45 HD?

    Чтобы получить оценку дохода приложения RPN-45 HD и другие данные AppStore, вы можете зарегистрироваться на платформе мобильной аналитики AppTail.

Оценки пользователей

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1 оценок в Бельгия

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История оценок

RPN-45 HD Отзывы Пользователей

Crashes

Entered Apprentice on

Бельгия

I use the app for several years now. With the latest version of IOS it crashes on opening. Let me know when fixed please.

Highly Recommended!

EWYee on

Соединенные Штаты

I love this app. I bought a HP 45 while in college. If I am not mistaken, it costed more than $350. I am of the generation that learned both slide rule and calculator. I would not be able to graduate without my HP 45. I still have it stored somewhere in a box. I am so used to RPN calculators that I have to think when I use a normal calculator. I recently got an iPad Air 4 and was looking for a calculator app. So happy to find this one. I am amazed that I still remember how to work this. Considering that I have long retired and have not use a scientific calculator for many years. A financial calculator would probably be more useful but then it would not put a BIG smile on my face when I am using this HP 45 app.

delta dates using a register recall.

Dutch9653 on

Соединенные Штаты

the recall of a stored number is trunked I stored 12.312017 in register 9. when I recalled it it came back as 12.3120 the recall trunked the last two digits. ignore this entry user error.

Great simulation of a classic hp rpn calculator

collins49 on

Соединенные Штаты

I have been using this app for several years. I still have one of the original HP 45 calculators. Has it really been 45 years? This App is my go to calculator. Highly recommended.

Fantastically faithful hp-45

Pidloop on

Соединенные Штаты

This app is beautifully executed in every way, my sincerest compliments to the authors. I owned the hp-35, 45 and 65 and it's great to have one of them "back" again. My only request: save state between program executions.

So much to love with this app !

BobinSF94109 on

Соединенные Штаты

This app is a great emulator of the classic HP-45 Scientific Calculator, in look, feel and function. It keeps getting better and better with each update. It offers full complex number functionality, even surpassing that of the HP-15 in complex mode. It comes with many powerful functions, which are actually sophisticated programs, including: 1. Linear Equations -- this lets you solve simulatneous equations for X & Y and in complex mode can solve for the real and imaginary parts for X & Y. 2. Quadratic Equation Solver -- solves entirely within the stack. 3. Cubic Equation Solver -- solves entirely within the stack. 4. The Factorial (n!) also doubles as a gamma function. By subtracting 1 from X and pressing n! you can get the gamma function of any positive or negative number and not just integers. 5. It offers full Linear Regression & Linear Estimate and many other statistical functions. 6. Full calendar, clock and timer functions. An alternate view shows full contents of stack, last-X and all 18 numbered registers, and in complex mode you can see both the real and imaginary parts of all stack & last-x registers. While the original HP-45 had 10 digit accuracy, this app has much greater accuracy as it carries far more digits in its internal calculations. This app is a companion to RPN-45 SD (for iPhone). I have both and highly recommend buying BOTH versions so you get the extra benefits of the iPad version and the portability of the small device version. Truly elegant design. I love the quality of cuveesoft's calculators!

Beautiful

daniel75173 on

Соединенные Штаты

A great simulation of the HP-45. Beautifully made, with a lot of attention to small details.

Nice update

Cran43 on

Соединенные Штаты

ENG is a good addition. Some suggestions for the future: Swiping the calc could show the guide on the back of the real calculator. Show views of the innards somewhere in the Help. Support financial calculations (n, i, pv, pmt, fv). The tricky part will be selecting which keys to use. Show more constants and conversions.

My go-to calculator

DavidFoster on

Соединенные Штаты

I have no idea where all the one star reviews are coming from (perhaps the initial release?). If you have fond memories, as I do, of using Hewlett Packard scientific calculators back in the seventies and eighties, you owe it to yourself to check this app out. It isn't a programming heavyweight like some of the other vastly more expensive simulations, but it offers a straightforward presentation that makes you feel like you have your old trusty HP-45 back on your desk, but one that's been enhanced too. Five stars for presentation, functionality, and continuous improvement.

It just gets better

roddytr on

Соединенные Штаты

I thought this was great before. I had only three suggestions and they've all been implemented. Great job.

Оценки

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RPN-45 HD Установки

30дн.

RPN-45 HD Доход

30дн.

RPN-45 HD Доходы и Загрузки

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