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          <e type="operand">ε</e>
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          <e type="operand">32.7</e>
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        <p>Using the built-in integration with unitless independent
variable:</p>
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        <p>Unit-aware integration detects unit of independent variable from the limits:</p>
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          <e type="operand">u#</e>
          <e type="operand">f#</e>
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          <e type="operand">a#</e>
          <e type="operand">u#</e>
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          <e type="operand">u#</e>
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          <e type="operand">x</e>
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