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風吹くままに

Drift in the wind.

Posts tagged with "Math"

Graph Paper Download Site

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If you want a graph paper, I recommend to visit HERE(incompetech.com).
There are several kind of graph papers.
If you click the image of graph paper you want, "Graph generator" will be shown.
Specify several options, PDF Document Size, Grid Colour....
Finally, click "Get PDF" button.
You'll be able to get the graph paper you want as PDF file.


See also:
Print Free Graph Paper
Graph Paper
If you want a "Smith Chart" :
Smith Chart

グラフをダウンロードできるサイトがあります。サイズ指定してPDFでダウンロードできます。
上手に利用すれば費用の節約になります。

Introduction of the "Power Calculator"

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The "Power Calculator" is one of the Microsoft Power Toys(Free). It has several interesting feature, including "Function", "Graph" and "Conversions".
I played with "Graph" last night. The "Graph" feature support only single valuable function. I drew several graphs of basic function.





単位変換、ユーザー定義関数の登録、グラフ作成など、高度な機能を持った計算機プログラムです。変数や関数を交えた数式を計算してグラフ表示もできる電卓です。ダウンロードはコチラから。Freeです。

"Function 3D"

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The "Function 3D" is one of the OPERA widgets.
This is a tool that draws the 3D-figure by the given equation.
I used it. The following is results.
I was happy.
Download site is HERE.




Slitherlink

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Will you know a puzzle called slitherlink ?
Please try to play.
Please refer to how to play
http://www.nikoli.co.jp/puzzles/3/index-e.htm

The first World "Sudoku" Championships.

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"Sudoku" or "NumberPlace", a pencil and paper number game of logic, originated in Japan.
This puzzle takes a long time by solution.
"NIKORI", an originator, thought that this puzzle should be limited to the unmarried person.
In Japanese, it is called "Suuji-wa-Dokusin-ni-kagiru."
Then, this is called "SuDoku"

Puzzle addicts from more than 20 countries are gathering in the Italian city of Lucca to compete in the first World Sudoku Championships.

And, Ms Jana Tylova(31), an accountant from the Czech Republic, won the game.

If you wish to challenge example-pazzles of World Championship, please click the link below.
http://news.bbc.co.uk/1/shared/bsp/hi/pdfs/10_03_06_sudoku.pdf


数独(またはナンバープレース)というペンシルパズルがあります。
イタリアのルカで、数独の世界選手権が行われました。

数独は日本人によって開発されたパズルで、「数字は独身に限る」という日本人パズル作家NIKORIの発言から、数独と名づけられました。

さて、世界選手権のほうですが、Jana Tylova さん、チェコの31歳の女性 が猛者どもを薙倒して優勝したそうです。
世界選手権の問題にチャレンジしたい方は、上のリンククリックしてください。

"Anomalous Motion Illusion"

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Do you Know "anomalous motion illusion" ?
The picture seems to move, though it is a trick of the eyesight.
It is the mysterious world.

http://www.ritsumei.ac.jp/~akitaoka/index-j.html
(Language : Japanese & English)

To change English version, click "English" of upper-right in this page.


錯視をご存知ですか。
日本では最近流行のようですが・・・。
静止画が動いているように見える、不思議な世界です。

あんまり見つめると気持ち悪くなるから適当に。