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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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        <input>
          <e type="operand">base</e>
          <e type="operand">1</e>
          <e type="operand" style="unit">W</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
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          <e type="operand">x</e>
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          <e type="operand">10</e>
          <e type="operand">x</e>
          <e type="operand">base</e>
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          <e type="operand">x</e>
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          <e type="operand" style="unit">dB</e>
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          <p>This is better suited for direct use as the operand can be given in dB units</p>
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          <e type="operand">base</e>
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          <e type="operand">x</e>
          <e type="operand">10</e>
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          <p>This is better suited for the postfix operator form if the operator looks like dB unit</p>
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          <e type="operand">0.5</e>
          <e type="operand" style="unit">W</e>
          <e type="operator" args="2">*</e>
          <e type="function" args="1">To_db</e>
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          <e type="operand">3.0103</e>
          <e type="operand" style="unit">dB</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="1">-</e>
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          <e type="operand">1</e>
          <e type="operand" style="unit">dB</e>
          <e type="operator" args="2">*</e>
          <e type="function" args="1">From_db</e>
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          <e type="operand">1.2589</e>
          <e type="operand" style="unit">W</e>
          <e type="operator" args="2">*</e>
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          <p>Operator form </p>
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          <p>\[REGION[4fee1c357b0343c598a0d62ec7cace8d]]\ \[REGION[e96be284d4a844de8335febe02d883ec]]\ =\[REGION[a791a0d869764a9b9ec7ef60aed54c07]]\</p>
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                <e type="operand">dB</e>
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                <e type="operand">0.5</e>
                <e type="operand" style="unit">W</e>
                <e type="operator" args="2">*</e>
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                <e type="operand">3.0103</e>
                <e type="operand" style="unit">dB</e>
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                <e type="operator" args="1">-</e>
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          <p>Here, dB on the left hand side is a prefix operator, on the right hand side it is a unit</p>
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          <e type="operand" style="unit">W</e>
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          <p>\[REGION[e96be284d4a844de8335febe02d883ec]]\ \[REGION[b579d5e82e264cbaa76440d3a4eb3006]]\=\[REGION[a791a0d869764a9b9ec7ef60aed54c07]]\</p>
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                <e type="operand" style="unit">dB</e>
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              <input>
                <e type="operand">1.2589</e>
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          <p>Here, dB is a postfix operator</p>
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