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         <td valign="top" class="name">BITMASKCLEAR</td>
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    <td valign="top" colspan="2" class="description"><span class="title">Description</span>
<p>
Performs a bitwise mask clear operation. 
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    <td valign="top" colspan="2" class="description"><span class="title">Returns</span>
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A number, bitwise cleared, with length bits beginning at start.
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Mathematical functions
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    <td valign="top" colspan="2" class="description"><span class="title">Function syntax</span><pre>BitMaskClear(number, start, length)
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    <td valign="top" colspan="2" class="description"><span class="title">See also</span>
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BitMaskRead, BitMaskSet
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    <td valign="top" colspan="2" class="description"><span class="title">Parameters</span>
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    <td valign="top" colspan="2" class="description"><span class="title">Usage</span>
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Bit functions operate on 32-bit signed integers, in the range -2147483648 - 2147483647. 
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    <td valign="top" colspan="2" class="description"><span class="title">Example</span><pre>&lt;h3&gt;BitMaskClear Example&lt;/h3&gt;

&lt;p&gt;Returns number bitwise cleared with length bits beginning from start.

&lt;p&gt;BitMaskClear(255, 4, 4): &lt;cfoutput&gt;#BitMaskClear(255, 4, 4)#
&lt;/cfoutput&gt;
&lt;p&gt;BitMaskClear(255, 0, 4): &lt;cfoutput&gt;#BitMaskClear(255, 0, 4)#
&lt;/cfoutput&gt;
&lt;p&gt;BitMaskClear(128, 0, 7): &lt;cfoutput&gt;#BitMaskClear(128, 0, 7)#
&lt;/cfoutput&gt;
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<p>32-bit signed integer</p>

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<td valign="top" class="name">START</td>
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<p>Integer, in the range 0-31, inclusive; start bit for mask</p>

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<td valign="top" class="name">LENGTH</td>
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<p>Integer, in the range 0-31, inclusive; length of mask</p>

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