Calculator-VI
第一款台式可编程计算器诞生于 20 世纪 60 年代中期。其中包括 Mathatronics Mathatron（1964 年）和 Olivetti Programma 101（1965 年末），它们都是固态、台式、打印、浮点、代数输入、可编程、存储程序的电子计算器。这两款计算器均可由最终用户编程并打印出结果。Programma 101 的销售范围更广，并增加了通过磁卡离线存储程序的功能。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，您需要按下一串按键，作为函数的结果，您需要显示按下最后一个键时屏幕上会显示什么。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.
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