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573.Text data calculation -- How to calculate the area automatically given a list of radius of a circle?

User: editor -- 2010-07-26          << 572  574 >>
Hits: 372
Type: Text data calculation   
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Description:
How to calculate the area automatically given a list of radius of a circle?
Input Sample:
r=1.8
r=22.3
r=19.0
...
Output Sample:
r=1.8, s=3.24
r=22.3, s=497.29
r=19.0, s=361.00
...
Answer:
Hint: You need to Download and install "Replace Pioneer" on windows platform to finish following steps.
1. ctrl-o open the file that contain radius list
2. ctrl-h open 'replace' window
* in 'search for pattern', enter:

* in 'replace with pattern', enter:

3. click 'Replace',done!
4. ctrl-s save to file.

Screenshot 1:  Replace_Window


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Keywords:
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