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Macaulay2-1.3.1-8.fc15.i686.rpm

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<head><title>defaultPrecision -- default precision of numbers</title>
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<div><h1>defaultPrecision -- default precision of numbers</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>defaultPrecision = n</tt></div>
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<li><div class="single">Inputs:<ul><li><span><tt>n</tt>, <span>an <a href="___Z__Z.html">integer</a></span></span></li>
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<li><div class="single">Consequences:<ul><li>henceforth, when a real or complex number is to be created, and no precision is otherwise specified, the precision will be <tt>n</tt></li>
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<div class="single"><h2>Description</h2>
<div><table class="examples"><tr><td><pre>i1 : defaultPrecision

o1 = 53</pre>
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<tr><td><pre>i2 : 1/3.

o2 = .333333333333333

o2 : RR (of precision 53)</pre>
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<tr><td><pre>i3 : defaultPrecision=100     

o3 = 100</pre>
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<tr><td><pre>i4 : 1/3.              

o4 = .333333333333333333333333333333

o4 : RR (of precision 100)</pre>
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<tr><td><pre>i5 : RR[x]

o5 = RR   [x]
       100

o5 : PolynomialRing</pre>
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<tr><td><pre>i6 : numeric pi

o6 = 3.14159265358979323846264338328

o6 : RR (of precision 100)</pre>
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<div class="waystouse"><h2>For the programmer</h2>
<p>The object <a href="_default__Precision.html" title="default precision of numbers">defaultPrecision</a> is <span>an <a href="___Z__Z.html">integer</a></span>.</p>
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