RPN 28x Calc

发行商: tredje design
评价: 还没有评级
价格: 3.99 USD
兼容性: iPhone & iPad

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应用说明

RPN 28x Calc is a programmable scientific calculator with a pleasingly classic look. Despite its nostalgic appearance, it offers a modern and intuitive user experience, allowing you to interact with your operands by touching them in the display.

It is a reverse-polish notation (RPN) calculator with a dynamic stack display. As you add more values to the stack, the display shown on an iPad automatically expands. To see more lines, simply swipe to scroll. You can also re-order the levels or modify any of the values on the stack.

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"It’s the third RPN calculator I buy for my iPad 2 and the first that makes me happy.
It’s graphically appealing, intuitive and very responsive. I rated it 5 stars."
(Nuno Gomes)

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Advanced commands are available in a secondary panel on iPad or as alternative button pages on iPhone. The buttons are efficiently grouped into four pages that you can quickly access by swiping left or right:

- letters A-Z for typing,
- trigonometric, logarithmic, and data manipulation commands,
- statistics, storage and programming commands
- binary numbers, system flags and boolean logic.

This is why RPN 28x Calc is unique in its class:

- You can tap a row to select it and issue commands for the selected level.
- In REORD mode, it is possible to rearrange the operands by dragging the rows.
- You can swipe up or down the display to see all levels.
- When you enter a value, you can tap a digit to reposition the cursor.
- Tap on the status indicators in the top of the display to change their state.

Additionally, on iPad:

- The display automatically resizes to show more than just 4 levels of the stack.
- You can slide the secondary panel out of view or swipe across the panel to navigate between button pages.
- You can browse all variables and your command history in a separate viewer.
- Select a variable in the viewer to make it available as an argument to variable-related commands in the calculator.
- Double-tap a variable in the viewer to edit it.
- Double-tap an entry in the command log to place it back onto the stack.

New:

- Work with matrices (arrays of arrays).
- Use the rich command set to write your own programs.
- When stored in variables, your programs become custom commands.
- Use the same app on iPad or iPhone.
- Use the calculator in iPad multitasking, i.e. in a Slide Over view or in Split View.

RPN 28x Calc is all you need.

- High precision arithmetics.
- Supports multiple data types: real numbers, binary numbers, lists, arrays or vectors, matrices, programs, names, and strings.
- Name your own variables; inspect them in the variable viewer.
- View the command history and the results in the log viewer.
- Customizable button click & alert volumes.
- Support for landscape orientation.
- External keyboard support.
- No ads, no tracking, and no rating requests.
- Downloadable user guide with introduction and command reference (PDF).

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Plans for future versions (NOT YET SUPPORTED):
- User-definable buttons.
- Complex numbers.
- Arithmetic expressions.

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