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<center>Topic: <A HREF="ch.htm"><code>APLX Help</code></A> : <A HREF="ch_020.htm"><code>Help on APL language</code></A> : <A HREF="ch_020_020.htm"><code>APL Primitives</code></A> 
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<h1>APL Primitives</h1>
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<H2>Contents</H2>
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<code>
<A HREF="ch_020_020_010.htm">+ Conjugate</A><BR>
<A HREF="ch_020_020_020.htm">+ Add</A><BR>
<A HREF="ch_020_020_030.htm">- Negate</A><BR>
<A HREF="ch_020_020_040.htm">- Subtract</A><BR>
<A HREF="ch_020_020_050.htm">&#215; Sign of</A><BR>
<A HREF="ch_020_020_060.htm">&#215; Multiply</A><BR>
<A HREF="ch_020_020_070.htm">&#247; Reciprocal</A><BR>
<A HREF="ch_020_020_080.htm">&#247; Divide</A><BR>
<A HREF="ch_020_020_090.htm">&#8968; Ceiling</A><BR>
<A HREF="ch_020_020_100.htm">&#8968; Greater of</A><BR>
<A HREF="ch_020_020_110.htm">&#8970; Floor</A><BR>
<A HREF="ch_020_020_120.htm">&#8970; Lesser of</A><BR>
<A HREF="ch_020_020_130.htm">| Absolute value</A><BR>
<A HREF="ch_020_020_140.htm">| Residue</A><BR>
<A HREF="ch_020_020_150.htm">&#9075; Index list</A><BR>
<A HREF="ch_020_020_160.htm">&#9075; Index of</A><BR>
<A HREF="ch_020_020_170.htm">? Roll</A><BR>
<A HREF="ch_020_020_180.htm">? Deal</A><BR>
<A HREF="ch_020_020_190.htm">* Exponential</A><BR>
<A HREF="ch_020_020_200.htm">* To the power of</A><BR>
<A HREF="ch_020_020_210.htm">&#9055; Natural log</A><BR>
<A HREF="ch_020_020_220.htm">&#9055; Log to the base</A><BR>
<A HREF="ch_020_020_230.htm">&#9675; Pi times</A><BR>
<A HREF="ch_020_020_240.htm">&#9675; Circular and Hyperbolic functions</A><BR>
<A HREF="ch_020_020_250.htm">! Factorial</A><BR>
<A HREF="ch_020_020_260.htm">! Binomial</A><BR>
<A HREF="ch_020_020_270.htm">&#9017; Matrix inverse</A><BR>
<A HREF="ch_020_020_280.htm">&#9017; Matrix divide</A><BR>
<A HREF="ch_020_020_290.htm">&lt; Less than</A><BR>
<A HREF="ch_020_020_300.htm">&#8804; Less than or equal</A><BR>
<A HREF="ch_020_020_310.htm">= Equal</A><BR>
<A HREF="ch_020_020_320.htm">&#8805; Greater than or equal</A><BR>
<A HREF="ch_020_020_330.htm">> Greater than</A><BR>
<A HREF="ch_020_020_340.htm">&#8800; Not equal</A><BR>
<A HREF="ch_020_020_350.htm">&#8801; Depth</A><BR>
<A HREF="ch_020_020_360.htm">&#8801; Match</A><BR>
<A HREF="ch_020_020_361.htm">&#8802; Not Match</A><BR>
<A HREF="ch_020_020_370.htm">&#8714; Enlist</A><BR>
<A HREF="ch_020_020_380.htm">&#8714; Membership</A><BR>
<A HREF="ch_020_020_390.htm">&#9079; Find</A><BR>
<A HREF="ch_020_020_392.htm">&#8746; Unique</A><BR>
<A HREF="ch_020_020_393.htm">&#8746; Union</A><BR>
<A HREF="ch_020_020_394.htm">&#8745; Intersection</A><BR>
<A HREF="ch_020_020_400.htm">~ Not</A><BR>
<A HREF="ch_020_020_410.htm">~ Without</A><BR>
<A HREF="ch_020_020_420.htm">&#8744; Or</A><BR>
<A HREF="ch_020_020_430.htm">^ And</A><BR>
<A HREF="ch_020_020_440.htm">&#9073; Nor</A><BR>
<A HREF="ch_020_020_450.htm">&#9074; Nand</A><BR>
<A HREF="ch_020_020_460.htm">&#9076; Shape of</A><BR>
<A HREF="ch_020_020_470.htm">&#9076; Reshape</A><BR>
<A HREF="ch_020_020_480.htm">, Ravel</A><BR>
<A HREF="ch_020_020_490.htm">, Catenate, Laminate</A><BR>
<A HREF="ch_020_020_500.htm">&#9066; 1st axis catenate</A><BR>
<A HREF="ch_020_020_510.htm">&#9021; Reverse</A><BR>
<A HREF="ch_020_020_520.htm">&#9021; Rotate</A><BR>
<A HREF="ch_020_020_530.htm">&#8854; 1st axis rotate</A><BR>
<A HREF="ch_020_020_540.htm">&#9033; Transpose</A><BR>
<A HREF="ch_020_020_550.htm">&#8593; First</A><BR>
<A HREF="ch_020_020_560.htm">&#8593; Take</A><BR>
<A HREF="ch_020_020_570.htm">&#8595; Drop</A><BR>
<A HREF="ch_020_020_580.htm">&#8834; Enclose</A><BR>
<A HREF="ch_020_020_590.htm">&#8834; Partition</A><BR>
<A HREF="ch_020_020_600.htm">&#8835; Disclose</A><BR>
<A HREF="ch_020_020_610.htm">&#8835; Pick</A><BR>
<A HREF="ch_020_020_620.htm">&#9015; Index</A><BR>
<A HREF="ch_020_020_630.htm">&#9035; Grade up</A><BR>
<A HREF="ch_020_020_640.htm">&#9042; Grade down</A><BR>
<A HREF="ch_020_020_650.htm">&#8868; Encode</A><BR>
<A HREF="ch_020_020_660.htm">&#8869; Decode</A><BR>
<A HREF="ch_020_020_670.htm">&#9082; Picture format</A><BR>
<A HREF="ch_020_020_680.htm">&#9045; Format</A><BR>
<A HREF="ch_020_020_690.htm">&#9045; Format by specification</A><BR>
<A HREF="ch_020_020_700.htm">&#9045; Format by example</A><BR>
<A HREF="ch_020_020_710.htm">&#9038; Execute</A><BR>
<A HREF="ch_020_020_720.htm">&#9031; File read</A><BR>
<A HREF="ch_020_020_730.htm">&#9032; File write</A><BR>
<A HREF="ch_020_020_740.htm">&#9040; File hold</A><BR>
<A HREF="ch_020_020_750.htm">&#9047; File drop</A><BR>
<A HREF="ch_020_020_753.htm">&#8867; Stop</A><BR>
<A HREF="ch_020_020_754.htm">&#8867; Left</A><BR>
<A HREF="ch_020_020_755.htm">&#8866; Pass</A><BR>
<A HREF="ch_020_020_756.htm">&#8866; Right</A><BR>
<A HREF="ch_020_020_760.htm">&#9109; Evaluated input</A><BR>
<A HREF="ch_020_020_770.htm">&#9109; Output with newline</A><BR>
<A HREF="ch_020_020_780.htm">&#9054; Character input</A><BR>
<A HREF="ch_020_020_790.htm">&#9054; Bare output</A><BR>
<A HREF="ch_020_020_800.htm">/ Reduce</A><BR>
<A HREF="ch_020_020_810.htm">&#9023; 1st axis reduce</A><BR>
<A HREF="ch_020_020_820.htm">\ Scan</A><BR>
<A HREF="ch_020_020_830.htm">&#9023; 1st axis scan</A><BR>
<A HREF="ch_020_020_840.htm">/ Compress, Replicate</A><BR>
<A HREF="ch_020_020_850.htm">&#9023; 1st axis compress</A><BR>
<A HREF="ch_020_020_860.htm">\ Expand</A><BR>
<A HREF="ch_020_020_870.htm">&#9024; 1st axis expand</A><BR>
<A HREF="ch_020_020_880.htm">. Inner product</A><BR>
<A HREF="ch_020_020_890.htm">&#8728; Outer product</A><BR>
<A HREF="ch_020_020_900.htm">&#168; Each</A><BR>
<A HREF="ch_020_020_910.htm">[]Axis</A><BR>
<A HREF="ch_020_020_920.htm">&#9068; Zilde</A><BR>
<A HREF="ch_020_020_930.htm">&#8900; Statement Separator</A><BR>
<A HREF="ch_020_020_940.htm">&#8711; Line editor</A><BR>
<A HREF="ch_020_020_950.htm">&#9067; Lock</A><BR>

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<center>Topic: <A HREF="ch.htm"><code>APLX Help</code></A> : <A HREF="ch_020.htm"><code>Help on APL language</code></A> : <A HREF="ch_020_020.htm"><code>APL Primitives</code></A> 
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