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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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          <p style="font-weight: bold; color: #800000; font-size: 12px;">Making a function periodic.</p>
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          <p>This is: some function defined <br />in the interval</p>
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          <p style="font-weight: bold;">With mod:</p>
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          <p style="font-weight: bold;">With Floor:</p>
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          <e type="operand">Alvaro</e>
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