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<p>I just found this add on for excel:</p>
<p><a class="moz-txt-link-freetext" href="http://precisioncalc.com/what_is_xlprecision.html">http://precisioncalc.com/what_is_xlprecision.html</a></p>
<p>It is cheap, a bit clumsy, but seems to work.</p>
<p>To answer an earlier question, I am doings logs, mults, and
division.</p>
<p>--tr<br>
</p>
<br>
<div class="moz-cite-prefix">On 7/13/2018 12:34 PM, Ian Fritz wrote:<br>
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cite="mid:D3DA2427-8A7D-4EAA-886D-C99B610200BC@comcast.net">
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<div>Also, Mathematica can work with any number of digits. I’ve
done 100 with no problems.</div>
<div><br>
</div>
<div>Ian</div>
<div><br>
On Jul 13, 2018, at 12:53 PM, Jason Proctor <<a
href="mailto:jason@redfish.net" moz-do-not-send="true">jason@redfish.net</a>>
wrote:<br>
<br>
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<div>
<div dir="ltr">ftr, Java has BigDecimal for arbitrary
precision numeric stuff
<div><br>
</div>
<div>i usually use Java for tools and generators and the
like.</div>
<div><br>
</div>
<div><br>
</div>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Fri, Jul 13, 2018 at 11:44 AM,
Pete Hartman <span dir="ltr"><<a
href="mailto:pete.hartman@gmail.com" target="_blank"
moz-do-not-send="true">pete.hartman@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="auto">Is there a way to ruin it using fixed
point math instead?</div>
<div class="HOEnZb">
<div class="h5"><br>
<div class="gmail_quote">
<div dir="ltr">On Fri, Jul 13, 2018, 1:35 PM Tim
Ressel <<a
href="mailto:timr@circuitabbey.com"
target="_blank" moz-do-not-send="true">timr@circuitabbey.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0
0 .8ex;border-left:1px #ccc
solid;padding-left:1ex">If you must pry... ;-)<br>
<br>
I am playing with using a 64 bit accumulator in
a DCO (NCO?) to fix the <br>
top jitter problem. The notion is that increased
resolution in the <br>
increment value will cause less top jitter.<br>
<br>
--tr<br>
<br>
<br>
On 7/13/2018 11:30 AM, Richie Burnett wrote:<br>
> Out of interest, what application requires
table lookup of values to a resolution of better
than 1 part in 10 to the 19 !?!?!?<br>
><br>
> -Richie,<br>
><br>
> Sent from my Xperia SP on O2<br>
><br>
> ---- Tim Ressel wrote ----<br>
><br>
>> Verified. I don't relish (or other
condiment...) doing that calc<br>
>> manually 4096 times. But it does tell
us that a windoze machine can do<br>
>> the deed. I wonder if its a matter of
floats versus doubles?<br>
>><br>
>> --timmers<br>
>><br>
>><br>
>> On 7/13/2018 9:59 AM, Ben Bradley
wrote:<br>
>>> Windows Calculator does about twice
that ("In Scientific mode,<br>
>>> Calculator is precise to 32
significant digits."), though of course<br>
>>> using it is tedious. If it helps,
you can copy-paste operations into<br>
>>> it. Copy and paste this:<br>
>>> 2y2r=<br>
>>> (two to the power of 2 reciprocal -
this calculates the square root of<br>
>>> two) gives:<br>
>>> 1.<wbr>414213562373095048801688724209<wbr>7<br>
>>> There's a list of keyboard
shortcuts somewhere.<br>
>>><br>
>>> If you're using integers, I recall
that Python, rather than<br>
>>> overflowing, will handle
arbitrarily large integer values.<br>
>>><br>
>>><br>
>>> On Fri, Jul 13, 2018 at 12:42 PM,
Tim Ressel <<a
href="mailto:timr@circuitabbey.com"
rel="noreferrer" target="_blank"
moz-do-not-send="true">timr@circuitabbey.com</a>>
wrote:<br>
>>>> Hey'all,<br>
>>>><br>
>>>> I need to generate a lookup
table with 64 bit values. Usually I use Excel<br>
>>>> but there is a problem: It only
does 14 decimal places. I don't think this<br>
>>>> is enough. Any suggestions?<br>
>>>><br>
>>>> --<br>
>>>> --Tim Ressel<br>
>>>> Circuit Abbey<br>
>>>> <a
href="mailto:timr@circuitabbey.com"
rel="noreferrer" target="_blank"
moz-do-not-send="true">timr@circuitabbey.com</a><br>
>>>><br>
>>>> ______________________________<wbr>_________________<br>
>>>> Synth-diy mailing list<br>
>>>> <a
href="mailto:Synth-diy@synth-diy.org"
rel="noreferrer" target="_blank"
moz-do-not-send="true">Synth-diy@synth-diy.org</a><br>
>>>> <a
href="http://synth-diy.org/mailman/listinfo/synth-diy"
rel="noreferrer noreferrer" target="_blank"
moz-do-not-send="true">http://synth-diy.org/mailman/<wbr>listinfo/synth-diy</a><br>
>>> ______________________________<wbr>_________________<br>
>>> Synth-diy mailing list<br>
>>> <a
href="mailto:Synth-diy@synth-diy.org"
rel="noreferrer" target="_blank"
moz-do-not-send="true">Synth-diy@synth-diy.org</a><br>
>>> <a
href="http://synth-diy.org/mailman/listinfo/synth-diy"
rel="noreferrer noreferrer" target="_blank"
moz-do-not-send="true">http://synth-diy.org/mailman/<wbr>listinfo/synth-diy</a><br>
>>><br>
>> -- <br>
>> --Tim Ressel<br>
>> Circuit Abbey<br>
>> <a href="mailto:timr@circuitabbey.com"
rel="noreferrer" target="_blank"
moz-do-not-send="true">timr@circuitabbey.com</a><br>
>><br>
>> ______________________________<wbr>_________________<br>
>> Synth-diy mailing list<br>
>> <a
href="mailto:Synth-diy@synth-diy.org"
rel="noreferrer" target="_blank"
moz-do-not-send="true">Synth-diy@synth-diy.org</a><br>
>> <a
href="http://synth-diy.org/mailman/listinfo/synth-diy"
rel="noreferrer noreferrer" target="_blank"
moz-do-not-send="true">http://synth-diy.org/mailman/<wbr>listinfo/synth-diy</a><br>
<br>
-- <br>
--Tim Ressel<br>
Circuit Abbey<br>
<a href="mailto:timr@circuitabbey.com"
rel="noreferrer" target="_blank"
moz-do-not-send="true">timr@circuitabbey.com</a><br>
<br>
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<pre wrap="">_______________________________________________
Synth-diy mailing list
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<pre class="moz-signature" cols="72">--
--Tim Ressel
Circuit Abbey
<a class="moz-txt-link-abbreviated" href="mailto:timr@circuitabbey.com">timr@circuitabbey.com</a></pre>
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