<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Mathematical Functions</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="class.lapackexception.html">LapackException</a></div> <div class="next" style="text-align: right; float: right;"><a href="intro.math.html">Introduction</a></div> <div class="up"><a href="refs.math.html">Mathematical Extensions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="book.math" class="book"> <h1 class="title">Mathematical Functions</h1> <ul class="chunklist chunklist_book"><li><a href="intro.math.html">Introduction</a></li><li><a href="math.setup.html">Installing/Configuring</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="math.requirements.html">Requirements</a></li><li><a href="math.installation.html">Installation</a></li><li><a href="math.configuration.html">Runtime Configuration</a></li><li><a href="math.resources.html">Resource Types</a></li></ul></li><li><a href="math.constants.html">Predefined Constants</a></li><li><a href="ref.math.html">Math Functions</a><ul class="chunklist chunklist_book chunklist_children"><li><a href="function.abs.html">abs</a> — Absolute value</li><li><a href="function.acos.html">acos</a> — Arc cosine</li><li><a href="function.acosh.html">acosh</a> — Inverse hyperbolic cosine</li><li><a href="function.asin.html">asin</a> — Arc sine</li><li><a href="function.asinh.html">asinh</a> — Inverse hyperbolic sine</li><li><a href="function.atan2.html">atan2</a> — Arc tangent of two variables</li><li><a href="function.atan.html">atan</a> — Arc tangent</li><li><a href="function.atanh.html">atanh</a> — Inverse hyperbolic tangent</li><li><a href="function.base-convert.html">base_convert</a> — Convert a number between arbitrary bases</li><li><a href="function.bindec.html">bindec</a> — Binary to decimal</li><li><a href="function.ceil.html">ceil</a> — Round fractions up</li><li><a href="function.cos.html">cos</a> — Cosine</li><li><a href="function.cosh.html">cosh</a> — Hyperbolic cosine</li><li><a href="function.decbin.html">decbin</a> — Decimal to binary</li><li><a href="function.dechex.html">dechex</a> — Decimal to hexadecimal</li><li><a href="function.decoct.html">decoct</a> — Decimal to octal</li><li><a href="function.deg2rad.html">deg2rad</a> — Converts the number in degrees to the radian equivalent</li><li><a href="function.exp.html">exp</a> — Calculates the exponent of e</li><li><a href="function.expm1.html">expm1</a> — Returns exp(number) - 1, computed in a way that is accurate even when the value of number is close to zero</li><li><a href="function.floor.html">floor</a> — Round fractions down</li><li><a href="function.fmod.html">fmod</a> — Returns the floating point remainder (modulo) of the division of the arguments</li><li><a href="function.getrandmax.html">getrandmax</a> — Show largest possible random value</li><li><a href="function.hexdec.html">hexdec</a> — Hexadecimal to decimal</li><li><a href="function.hypot.html">hypot</a> — Calculate the length of the hypotenuse of a right-angle triangle</li><li><a href="function.is-finite.html">is_finite</a> — Finds whether a value is a legal finite number</li><li><a href="function.is-infinite.html">is_infinite</a> — Finds whether a value is infinite</li><li><a href="function.is-nan.html">is_nan</a> — Finds whether a value is not a number</li><li><a href="function.lcg-value.html">lcg_value</a> — Combined linear congruential generator</li><li><a href="function.log10.html">log10</a> — Base-10 logarithm</li><li><a href="function.log1p.html">log1p</a> — Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero</li><li><a href="function.log.html">log</a> — Natural logarithm</li><li><a href="function.max.html">max</a> — Find highest value</li><li><a href="function.min.html">min</a> — Find lowest value</li><li><a href="function.mt-getrandmax.html">mt_getrandmax</a> — Show largest possible random value</li><li><a href="function.mt-rand.html">mt_rand</a> — Generate a better random value</li><li><a href="function.mt-srand.html">mt_srand</a> — Seed the better random number generator</li><li><a href="function.octdec.html">octdec</a> — Octal to decimal</li><li><a href="function.pi.html">pi</a> — Get value of pi</li><li><a href="function.pow.html">pow</a> — Exponential expression</li><li><a href="function.rad2deg.html">rad2deg</a> — Converts the radian number to the equivalent number in degrees</li><li><a href="function.rand.html">rand</a> — Generate a random integer</li><li><a href="function.round.html">round</a> — Rounds a float</li><li><a href="function.sin.html">sin</a> — Sine</li><li><a href="function.sinh.html">sinh</a> — Hyperbolic sine</li><li><a href="function.sqrt.html">sqrt</a> — Square root</li><li><a href="function.srand.html">srand</a> — Seed the random number generator</li><li><a href="function.tan.html">tan</a> — Tangent</li><li><a href="function.tanh.html">tanh</a> — Hyperbolic tangent</li></ul></li></ul></div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="class.lapackexception.html">LapackException</a></div> <div class="next" style="text-align: right; float: right;"><a href="intro.math.html">Introduction</a></div> <div class="up"><a href="refs.math.html">Mathematical Extensions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>
