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    <legend>Matrix A:</legend>
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        <div class="textarea-container" data-i="1"><math>
            <mrow>
              <mo style="padding: 0px 0em;">(</mo>
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                <mi><span class="a-input enabled" data-i="1" dir="ltr" lang="">
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                      <div id="A-textarea=0"><span class="whitespace"> </span></div>
                    </div><textarea id="A-textarea" name="A-textarea" wrap="off" autocapitalize="off" autocomplete="off" spellcheck="false" class="matrix-table-textarea unfocused-placeholder" placeholder="-2  2 -3
-1  1  3
 2  0 -1/3" data-i="1" style="min-height: 5em; min-width: 1ch;"></textarea>
                  </span></mi>
              </mpadded>
              <mo style="padding: 0px 0em;">)</mo>
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      <div><button type="button" aria-pressed="false" class="swap-mode-button" data-i="1">Cells</button><button type="button" aria-pressed="true" class="numbers-only-mode-button" title="Use decimal keyboard on mobile phones" data-i="1"
          disabled="">⌨</button><button type="button" class="upload-image" hidden="" title="Upload an image with a matrix (Note: it may not work well)" data-i="1"><span>📷︎</span></button><input type="file" name="upload" accept="image/*"
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          title="Clean" data-i="1"><span>🧹︎</span></button><span class="div-nowrap" data-i="1"><button type="button" class="increment-size-button resize-table-button" data-increment="+1" data-i="1" disabled="">+</button><button type="button"
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    <div><span class="button-before-input" data-i="1"><button type="button" class="expression-button" data-expression="A obtain-zeros-in-column k" data-i="1">Get zeros in the column</button><input type="number" min="1" step="1" value="1" id="k-A-o-c"
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    <div><span class="button-before-input" data-i="1"><button type="button" class="expression-button" data-expression="A obtain-zeros-in-row k" data-i="1">Get zeros in the row</button><input type="number" min="1" step="1" value="1" id="k-A-o-r"
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    <div><button type="button" class="expression-button" data-expression="determinant-Gauss A" data-i="1">Use Gaussian elimination</button></div>
    <div><button type="button" class="expression-button" data-expression="determinant-Triangle A" data-i="1">Use Triangle's rule</button></div>
    <div><button type="button" class="expression-button" data-expression="determinant-Sarrus A" data-i="1">Use Rule of Sarrus</button></div>
    <div><button type="button" class="expression-button" data-expression="determinant-Leibniz A" data-i="1">Use Leibniz formula</button></div>
    <div><button type="button" class="expression-button" data-expression="determinant-Montante A" data-i="1">Use Montante's method (Bareiss algorithm)</button></div>
  </div>
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Text Content

Matrix calculator
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Matrix calculatorSolving systems of linear equationsDeterminant
calculatorEigenvalues calculatorExamples of solvingsWikipedia:Matrices
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DETERMINANT CALCULATION BY EXPANDING IT ON A LINE OR A COLUMN, USING LAPLACE'S
FORMULA

This page allows to find the determinant of a matrix using row reduction,
expansion by minors, or Leibniz formula.

Matrix A:
(
















)
(

)
Cells⌨📷︎↶↷🧹︎+−
Expand along the column
Expand along the row
Get zeros in the column
Get zeros in the row
Use Gaussian elimination
Use Triangle's rule
Use Rule of Sarrus
Use Leibniz formula
Use Montante's method (Bareiss algorithm)

 * Leave extra cells empty to enter non-square matrices.
 * You can use decimal (finite and periodic) fractions: 1/3, 3.14, -1.3(56), or
   1.2e-4; or arithmetic expressions: 2/3+3*(10-4), (1+x)/y^2, 2^0.5 (=2),
   2^(1/3), 2^n, sin(phi), or cos(3.142rad).
 * Use ↵ Enter, Space, ←↑↓→, ⌫, and Delete to navigate between cells, Ctrl⌘
   Cmd+C/Ctrl⌘ Cmd+V to copy/paste matrices.
 * Drag-and-drop matrices from the results, or even from/to a text editor.
 * To learn more about matrices use Wikipedia.


Clean Cells or Share Insert in Use decimal keyboard on mobile phones Upload an
image with a matrix (Note: it may not work well)
matri-tri-ca@yandex.ru



THANKS TO:

 * Philip Petrov (https://cphpvb.net) for Bulgarian translation
 * Manuel Rial Costa for Galego translation
 * Shio Kun for Chinese translation
 * Petar Sokoloski for Macedonian translation
 * Duy Thúc Trần for Vietnamese translation
 * Rıfkı Kürşat Vuruşan for Turkish translation
 * Ousama Malouf and Yaseen Ibrahim for Arabic translation
 * Marcel Artz - improving of the German translation
 * Marc Gisbert Juàrez - fixing the translation into Catalan