0 1 2 3 4 5 6 7 8 9 .
+ - * / ^
( ) [ ] = x y $\pi$ e
$\sqrt{}$ sin cos tan cot ln exp asin acos atan
BckSp         Clear        
Function grapher
坐标轴界限 xmin =   xmax =
ymin =   ymax =
对数 如果输入的函数包含对数,使用
Examples: Example 1, Example 2, Example 3, Example 4, Example 5,
离线版本 可以在此处获取。同时我们也欢迎你 参与翻译
The project Mathematical Assistant on Web is hosted on sourceforge.net and supported by Grant 99/2008 of FRVŠ.
Free high quality math tests for students to practice curriculum. Easy, friendly, modern. Try it. High recommended. Click the image below.

Semiautomatic multiplication and vampire numbers on Diehl KR 15.

The closest dates which can be permuted into a vampire number are April 4 and May 5 2016. These days give digits for three vampire numbers. One of them even with two pairs of fangs. The last day this year which can be permuted into a vampire number is just Xmass :).

The rest of the Youtube chanel.

Warning. Did you try the problem by yourself first? Blind rewriting problem to computer and puting down the answer may have serious negative influence on your education. The optimal way how to use this application is to solve the problem and then check your result against computer generated answer.

This is temporary URL for Mathematical Assistant on Web. Please, do not spread this URL. Always use http://user.mendelu.cz/marik/maw. Thanks.