Posted on Leave a comment

在线计算器和小软件

在线计算器 calculator online 很多,Google一把就知道了。

1、简单的:http://www.ecalc.com/calculator/online#

2、函数的:http://www.motionnet.com/calculator/

计算器小软件多如牛毛,不过找一个长得俊又能干活的不太容易(windows自带的计算器就不好用),就介绍两个吧:

1、免费的,只能简单应用,就是上面提及的一个在线计算器中的桌面版:

下载:http://www.ecalc.com/files/mio/ecalc/basic/eCalc_setup.exe

2、收费的,DreamCalc ,功能实在是强大,很好用的一个小软件:

参见这里:http://www.dreamcalc.com/

价钱可不低:

一分钱一分货,看看功能,It Feels Real!也值这个价钱:

DreamCalc is the leading Scientific Graphing Calculator for Windows that’s so realistic it dispenses with the need for a physical hand-held altogether!

  • It Feels Real! Get the intuitive feel and productivity of a real calculator. No more hunting around for your hand-held!
  • Graph functions & plot data in seconds.
  • Fully featured range of math, scientific, statistical & financial functions. Supports natural fractions, complex numbers, base-n logic, unit conversions and a powerful polynomial solver. Over 260 functions!
  • Select from algebraic input or RPN. DreamCalc adapts to your way of working!

比如这个计算回溯查看功能:

还有图表之类的,做一些分析很方便:

3、不花钱(开源软件),功能也很强大:SpeedCrunch 。我用了一段时间,足以胜任工作。

功能介绍:

  • history and results on a scrollable display
  • up to 50 decimal precisions
  • unlimited variable storage
  • intelligent automatic completion
  • fully usable from the keyboard
  • more than 50 built-in math functions
  • optional virtual keypad to be used with a mouse
  • on-the-fly and selection calculation
  • customizable appearance
  • syntax highlighting and parentheses matching
  • calculator online

参见:http://www.speedcrunch.org

国内上不了这个网址的时候,就去这里看看。有乐于助人者翻译了SpeedCrunch官方站点的说明文档,感兴趣的移步这里

发表评论

电子邮件地址不会被公开。 必填项已用*标注

*