<h2>org.das2.datum.SIUnits</h2><p>Finally introduce SI Units library, which preserves units through
 multiplication and division.</p>
<hr>
<a name="add"></a>
<h2>add</h2>
add( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html'>Number</a> a, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html'>Number</a> b, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Units.html'>Units</a> bUnits ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Datum.html'>Datum</a>

<p></p>

<h3>Parameters</h3>
a - a Number
<br>
b - a Number
<br>
bUnits - an Units

<h3>Returns:</h3>
org.das2.datum.Datum

<br><br>
<a href="https://github.com/autoplot/dev/search?q=add&unscoped_q=add">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/das2/datum/SIUnits.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/das2/datum/SIUnits.html#add">[view on old javadoc]</a>
 <a href="https://saturn.physics.uiowa.edu/svn/das2/dasCore/community/autoplot2011/trunk/dasCoreDatum/src/org/das2/datum/SIUnits.java">[view source]</a>
<br>
<br>
<hr>
<a name="create"></a>
<h2>create</h2>
create( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> id ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a>

<p></p>

<h3>Parameters</h3>
id - a String

<h3>Returns:</h3>
org.das2.datum.SIUnits

<br><br>
<a href="https://github.com/autoplot/dev/search?q=create&unscoped_q=create">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/das2/datum/SIUnits.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/das2/datum/SIUnits.html#create">[view on old javadoc]</a>
 <a href="https://saturn.physics.uiowa.edu/svn/das2/dasCore/community/autoplot2011/trunk/dasCoreDatum/src/org/das2/datum/SIUnits.java">[view source]</a>
<br>
<br>
create( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> id, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> desc, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Ratio.html'>org.das2.datum.Ratio</a> m, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Ratio.html'>org.das2.datum.Ratio</a> kg, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Ratio.html'>org.das2.datum.Ratio</a> s, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Ratio.html'>org.das2.datum.Ratio</a> A, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Ratio.html'>org.das2.datum.Ratio</a> K, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/RationalNumber.html'>org.das2.datum.RationalNumber</a> multiplier ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a><br>
create( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> id, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> desc, int m, int kg, int s, double multiplier ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a><br>
create( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> id, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> desc, int m, int kg, int s ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a><br>
create( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> id, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> desc, int m, int kg, int s, int A, int K ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a><br>
create( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> id, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> desc, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Ratio.html'>org.das2.datum.Ratio</a> m, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Ratio.html'>org.das2.datum.Ratio</a> k, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Ratio.html'>org.das2.datum.Ratio</a> s, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/RationalNumber.html'>org.das2.datum.RationalNumber</a> multiplier ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a><br>
<hr>
<a name="divide"></a>
<h2>divide</h2>
divide( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html'>Number</a> a, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html'>Number</a> b, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Units.html'>Units</a> bUnits ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Datum.html'>Datum</a>

<p></p>

<h3>Parameters</h3>
a - a Number
<br>
b - a Number
<br>
bUnits - an Units

<h3>Returns:</h3>
org.das2.datum.Datum

<br><br>
<a href="https://github.com/autoplot/dev/search?q=divide&unscoped_q=divide">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/das2/datum/SIUnits.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/das2/datum/SIUnits.html#divide">[view on old javadoc]</a>
 <a href="https://saturn.physics.uiowa.edu/svn/das2/dasCore/community/autoplot2011/trunk/dasCoreDatum/src/org/das2/datum/SIUnits.java">[view source]</a>
<br>
<br>
<hr>
<a name="fromClusterCDFSIConversion"></a>
<h2>fromClusterCDFSIConversion</h2>
fromClusterCDFSIConversion( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> si, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> id, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> desc ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a>

<p>Cluster CDFs had "SI_Conversion" that showed how to convert to SI units.
 Parse this string. For example: SI_conversion=<code>"1.0e-3>V m^-1"</code></p>

<h3>Parameters</h3>
si - the string.
<br>
id - a String
<br>
desc - a String

<h3>Returns:</h3>
the SIUnits
<br><br>
<a href="https://github.com/autoplot/dev/search?q=fromClusterCDFSIConversion&unscoped_q=fromClusterCDFSIConversion">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/das2/datum/SIUnits.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/das2/datum/SIUnits.html#fromClusterCDFSIConversion">[view on old javadoc]</a>
 <a href="https://saturn.physics.uiowa.edu/svn/das2/dasCore/community/autoplot2011/trunk/dasCoreDatum/src/org/das2/datum/SIUnits.java">[view source]</a>
<br>
<br>
<hr>
<a name="main"></a>
<h2>main</h2>
main( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String[]</a> args ) &rarr; void

<p></p>

<h3>Parameters</h3>
args - a java.lang.String[]

<h3>Returns:</h3>
void (returns nothing)

<br><br>
<a href="https://github.com/autoplot/dev/search?q=main&unscoped_q=main">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/das2/datum/SIUnits.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/das2/datum/SIUnits.html#main">[view on old javadoc]</a>
 <a href="https://saturn.physics.uiowa.edu/svn/das2/dasCore/community/autoplot2011/trunk/dasCoreDatum/src/org/das2/datum/SIUnits.java">[view source]</a>
<br>
<br>
<hr>
<a name="multiply"></a>
<h2>multiply</h2>
multiply( <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a> s1, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a> s2 ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a>

<p></p>

<h3>Parameters</h3>
s1 - a SIUnits
<br>
s2 - a SIUnits

<h3>Returns:</h3>
org.das2.datum.SIUnits

<br><br>
<a href="https://github.com/autoplot/dev/search?q=multiply&unscoped_q=multiply">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/das2/datum/SIUnits.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/das2/datum/SIUnits.html#multiply">[view on old javadoc]</a>
 <a href="https://saturn.physics.uiowa.edu/svn/das2/dasCore/community/autoplot2011/trunk/dasCoreDatum/src/org/das2/datum/SIUnits.java">[view source]</a>
<br>
<br>
multiply( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> id, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a> desc, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a> s1, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/RationalNumber.html'>org.das2.datum.RationalNumber</a> s ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a><br>
multiply( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html'>Number</a> a, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html'>Number</a> b, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Units.html'>Units</a> bUnits ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Datum.html'>Datum</a><br>
<hr>
<a name="pow"></a>
<h2>pow</h2>
pow( <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a> s1, int pow ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/SIUnits.html'>org.das2.datum.SIUnits</a>

<p>apply the power to the exponent.  For example
 pow(Units.kg,2)&rarr; kg**2
 pow(Units.cm,2)&rarr; cm**2 == .01^2 * m^2.
 Units.kg</p>

<h3>Parameters</h3>
s1 - the unit, e.g. SIUnits.si_Hz
<br>
pow - the exponent e.g. -1

<h3>Returns:</h3>
SI unit, e.g. SIUnits.si_s
<br><br>
<a href="https://github.com/autoplot/dev/search?q=pow&unscoped_q=pow">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/das2/datum/SIUnits.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/das2/datum/SIUnits.html#pow">[view on old javadoc]</a>
 <a href="https://saturn.physics.uiowa.edu/svn/das2/dasCore/community/autoplot2011/trunk/dasCoreDatum/src/org/das2/datum/SIUnits.java">[view source]</a>
<br>
<br>
<hr>
<a name="subtract"></a>
<h2>subtract</h2>
subtract( <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html'>Number</a> a, <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/Number.html'>Number</a> b, <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Units.html'>Units</a> bUnits ) &rarr; <a href='http://www-pw.physics.uiowa.edu/~jbf/autoplot/doc/org/das2/datum/Datum.html'>Datum</a>

<p></p>

<h3>Parameters</h3>
a - a Number
<br>
b - a Number
<br>
bUnits - an Units

<h3>Returns:</h3>
org.das2.datum.Datum

<br><br>
<a href="https://github.com/autoplot/dev/search?q=subtract&unscoped_q=subtract">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/das2/datum/SIUnits.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/das2/datum/SIUnits.html#subtract">[view on old javadoc]</a>
 <a href="https://saturn.physics.uiowa.edu/svn/das2/dasCore/community/autoplot2011/trunk/dasCoreDatum/src/org/das2/datum/SIUnits.java">[view source]</a>
<br>
<br>
<hr>
<a name="toString"></a>
<h2>toString</h2>
toString(  ) &rarr; <a href='https://docs.oracle.com/javase/8/docs/api/java/lang/String.html'>String</a>

<p></p>

<h3>Returns:</h3>
java.lang.String

<br><br>
<a href="https://github.com/autoplot/dev/search?q=toString&unscoped_q=toString">[search for examples]</a>
 <a href="https://github.com/autoplot/documentation/tree/master/javadoc/org/das2/datum/SIUnits.md">[view on GitHub]</a>
 <a href="http://www-pw.physics.uiowa.edu/~jbf/autoplot/javadoc2018/org/das2/datum/SIUnits.html#toString">[view on old javadoc]</a>
 <a href="https://saturn.physics.uiowa.edu/svn/das2/dasCore/community/autoplot2011/trunk/dasCoreDatum/src/org/das2/datum/SIUnits.java">[view source]</a>
<br>
<br>