scientific calculator

基本解释

A 50-line scientific calculator
一个 50 行代码的科学计算器
Remember struggling with reverse Polish notation on your first scientific calculator?
还记得在您的第一台科学计算器上用逆波兰表示法奋斗的经历吗？
When Hewlett-Packard invented the HP-35, the first hand-held scientific calculator, in 1972, the device was banned from some engineering classrooms.
1972年，惠普发明第一个手提科学计算器HP-35时，该设备在某些工程学课堂上被禁用。

And if you have your calculator all set up as you love and you don't want to change it, then maybe you should just go and get an $8.00 scientific calculator that doesn't have any of the graphing functions, because you don't actually need them, so that's a better option for you, you can do that as well.
如果你的计算器里已经按照你的喜好编好了,而你又不想改动，那么或许你可以,去再买一个八美元的科学计算器,它没有任何绘图功能，因为实际上你也用不到这些，所以这对你来说是一个更好的选择，你也可以这样做。
麻省理工公开课 - 化学原理课程节选

In 1985, Casio introduced the world's first graphing calculator, the fx-7000G, and in 2004 the company released the fx-82ES scientific calculator with textbook display that shows fractions and root functions as they appear in textbooks.
ENGADGET: Casio's touchscreen graphing calculator arrives in 2013, makes the TI-84+ look dated
The forecasts come from a unique open-source analysis package, called the 2050 pathways calculator, which was created by Professor David MacKay, chief scientific adviser to the Department of Energy and Climate Change.
FORBES: Lying With Numbers: Green Energy Edition