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RPN 28x Calc – tredje design

12月 18, 2021 | コメントは受け付けていません。

tredje design - RPN 28x Calc アートワーク RPN 28x Calc
tredje design
ジャンル: 仕事効率化
価格: ¥730
リリース日: 2012年5月31日

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 five pages that
you can quickly access by swiping left or right:

- user-defined buttons,
- letters A-Z for typing,
- trigonometric, logarithmic, and data manipulation commands,
- statistics, storage and programming commands
- binary integers, 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 stack 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.
- Drag buttons to re-arrange them as you like it (enable that in the settings).

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:

- Complex numbers.
- User-defined buttons.
- Interactive button reordering.
- Optional thousand separators.
- Dark Appearance since iPadOS 13 or iOS 13.
- Alternative, dark app icon.
- Haptic feedback on iPhone.

RPN 28x Calc is all you need.

- High precision arithmetics.
- Supports multiple data types: real numbers, complex numbers, binary integers,
or lists, arrays, vectors, matrices, programs, names, and strings.
- Name your own variables; inspect them in the variable viewer (iPad only).
- Create buttons for your programs.
- Use the rich command set to write your own programs.
- View the command history and the results in the log viewer (iPad only).
- Customizable button click & alert volumes.
- 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.
- 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):
- Arithmetic expressions.

© © 2013-21 tredje design - Eric Roller

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