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Alternatives: | (mml file) (full) (simple) (plain) (form) (slideshow)
File: | Presentation/CSS/maction/maction-02
CVS-ID: |
Author: | George Chavchanidze, Opera Software ASA
Description: | You should see fraction n!/k!(n-k)! once you place mouse pointer over math expression below
Sample Rendering:

Your browser's rendering:

n k n! k!(n−k)!

Source Code:

    <math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
    <maction actiontype="tooltip">
    <mrow>
    <mfenced>
    <mrow>
    <mtable>
    <mtr><mtd><mi>n</mi></mtd></mtr>
    <mtr><mtd><mi>k</mi></mtd></mtr>
    </mtable>
    </mrow>
    </mfenced>
    </mrow>
    <mrow>
    <mfrac>
    <mrow><mi>n</mi><mo form="postfix">!</mo></mrow>
    <mrow><mi>k</mi><mo form="postfix">!</mo><mo fence="true">(</mo><mi>n</mi><mo>−</mo><mi>k</mi><mo fence="true">)</mo><mo form="postfix">!</mo></mrow>
    </mfrac>
    </mrow>
    </maction>
    </math>