Calculator-VII
惠普 12c 财务计算器仍在生产。它于 1981 年推出，目前仍在生产，几乎没有什么变化。惠普 12c 采用反向波兰符号模式输入数据。2003 年发布了几款新机型，其中包括 HP 12c 的改进版 "HP 12c 白金版"，它增加了更大的内存、更多的内置功能，并增加了数据输入的代数模式。Find more on wikipedia page...
在本系列任务中，您将制作一个初级计算器。
作为输入，您需要按下一连串的键，而作为该功能的结果，您应显示按下最后一个键时屏幕上将显示的内容。注意，这并不总是表达式的结果。实际上，使用实物计算器或应用程序确实有助于你捕捉边缘情况。
...
CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.
In order to install CheckiO client you'll need installed Python (version at least 3.8)
Install CheckiO Client first:
pip3 install checkio_client
Configure your tool
checkio --domain=py config --key=
Sync solutions into your local folder
checkio sync
(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)
checkio serv -d
Alternatevly, you can install Chrome extension or FF addon
checkio install-plugin
checkio install-plugin --ff
checkio install-plugin --chromium
Read more here about other functionality that the checkio client provides. Feel free to submit an issue in case of any difficulties.
Welcome to Pair Programming! Engage in real-time collaboration on coding projects by starting a session and sharing the provided unique URL with friends or colleagues. This feature is perfect for joint project development, debugging, or learning new skills together. Simply click 'Start Session' to begin your collaborative coding journey!
You are trying to join a pair programming session that has not started yet.
Please wait for the session creator to join.
It looks like the creator of the pair programming session closed the editor window.
It might happen accidentally, so that you can wait for reconnection.
