BitClearCopy to clipboard.
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BitClear
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BitClear[n,k]
sets to 0 the bit corresponding to the coefficient of 
in the integer n.
Examples
Basic Examples (1)Summary of the most common use cases
Display coefficients at powers of 2 in the integer 63:
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In[1]:=1
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https://wolfram.com/xid/0bdp1odga-giugz1
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Out[1]=1
Clear the bit corresponding to the coefficient at 20:
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In[2]:=2
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https://wolfram.com/xid/0bdp1odga-k1xmrg
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Out[2]=2
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In[3]:=3
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https://wolfram.com/xid/0bdp1odga-faf4ra
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Out[3]=3
Clear the bit corresponding to the coefficient at 23:
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In[4]:=4
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https://wolfram.com/xid/0bdp1odga-qnksw
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Out[4]=4
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In[5]:=5
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https://wolfram.com/xid/0bdp1odga-gae0t
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Out[5]=5
Wolfram Research (2007), BitClear, Wolfram Language function, https://reference.wolfram.com/language/ref/BitClear.html.
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Wolfram Research (2007), BitClear, Wolfram Language function, https://reference.wolfram.com/language/ref/BitClear.html.Text
Wolfram Research (2007), BitClear, Wolfram Language function, https://reference.wolfram.com/language/ref/BitClear.html.
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Wolfram Research (2007), BitClear, Wolfram Language function, https://reference.wolfram.com/language/ref/BitClear.html.CMS
Wolfram Language. 2007. "BitClear." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/BitClear.html.
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Wolfram Language. 2007. "BitClear." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/BitClear.html.APA
Wolfram Language. (2007). BitClear. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/BitClear.html
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Wolfram Language. (2007). BitClear. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/BitClear.htmlBibTeX
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@misc{reference.wolfram_2025_bitclear, author="Wolfram Research", title="{BitClear}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/BitClear.html}", note=[Accessed: 06-April-2025
]}BibLaTeX
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@online{reference.wolfram_2025_bitclear, organization={Wolfram Research}, title={BitClear}, year={2007}, url={https://reference.wolfram.com/language/ref/BitClear.html}, note=[Accessed: 06-April-2025
]}