<meta content="convert, graph, calculate, conversion, percent, fraction, Scientific Notation, Percentages, expand, factor, simplify, partial fractions, cancel, factors, Join Fractions, relations, Plot, Plot Inequalities, system, Solve Equations, Quadratic, inequation, Integrate, Differentiate, matrix, Matrices, Inverse, Determinant, complete the square, completing the square, concavity, x-intercepts, y-intercept, axis of symmetry, vertex, parabola, discriminant of a quadratic equation, roots"name=target><title>
   Math.com Online Calculators
  </title><meta content="text/html; charset=utf-8"http-equiv=Content-Type><meta content="Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math problems instantly."name=description><meta content="math, fractions, homework, pi, mathematician, fraction, algebra, geometry, number, numbers, equation, equations, math anxiety, homeschool math, math problems, math games, mental math, math puzzles, decimal, percent, mathematics, math magic, mathmagic, math homework, pre-algebra, converter, convert, prime number, ratio, probability, statistics, calculate, calculator, statistic, calculus, circle, trigonometry, tessellation, tesellation, tesselation, teselation, fractal, fractol, word problems, word problem, Pythagorean Theorem, multiply, divide, division, multiplication, quadratic, square, circle, triangle, trapezoid, polygon, solve, formula, area, perimeter, volume, unit, unit conversion, conversion, measure, measurement, change units, math resources, math history, mathematical, maths, maths problem, maths problems, converting, calculating"name=keywords><script language=JAVASCRIPT>
   <!-- Hide script from older browsers

// The following functions handle the rollover effect for the header navigation
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

 function link(form) {
        var myindex=form.subject.selectedIndex
        if (form.subject.options[myindex].value != "0") {
       	 location=form.subject.options[myindex].value;}
}
//-->
  </script><link href=/global.css rel=stylesheet><body bgcolor=#FFFFFF leftmargin=0 marginheight=0 marginwidth=0 topmargin=0><script language=JavaScript><!-- Hide script from older browsers

// Set cookie for use on email friend form

function setCookie() {

	document.cookie = "pageTitle="+document.title+";path=/"

}

	

function MM_swapImgRestore() { //v3.0

  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;

}



function MM_preloadImages() { //v3.0

  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}



function MM_findObj(n, d) { //v3.0

  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {

    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}

  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];

  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;

}



function MM_swapImage() { //v3.0

  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)

   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}

}



 function link(form) {

        var myindex=form.subject.selectedIndex

        if (form.subject.options[myindex].value != "0") {

       	 location=form.subject.options[myindex].value;}

}



function MM_openBrWindow(theURL,winName,features) { //v2.0

  window.open(theURL,winName,features);

}



//--></script><table border=0 cellpadding=0 cellspacing=0 width=100%><tbody><tr><td><a href=http://www.math.com/> <img alt=math.com border=0 src=/images/logo.gif> </a><td><script async src=//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js></script> <script>(adsbygoogle = window.adsbygoogle || []).push({
          google_ad_client: "ca-pub-2258608561945403",
          enable_page_level_ads: true
     });</script>  <script>window.cookieconsent_options = {"message":"This site uses cookies, including third-party cookies, to deliver its services, to personalize ads and to analyze traffic. By continuing to use this site, you agree to its use of cookies.","dismiss":"Got it!","learnMore":"More info","link":"http://privacy.loffs.com/","theme":"light-bottom","domain":"math.com"};</script> <script src=//cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/cookieconsent.min.js></script>  <script>google_ad_client = "ca-pub-2258608561945403";
    google_ad_slot = "1937713696";
    google_ad_width = 728;
    google_ad_height = 90;</script>  <script src=//pagead2.googlesyndication.com/pagead/show_ads.js></script></table><table border=0 cellpadding=0 cellspacing=0 height=26 width=100%><tbody><tr><td align=center><font class=top_link size=1> <u> <a href=http://www.math.com/> Home </a> </u>    |     <u> <a href=/teachers.html> Teacher </a> </u>    |     <u> <a href=/parents.html> Parents </a> </u>    |     <u> <a href=/school/glossary/glossindex.html> Glossary </a> </u>    |     <u> <a href=/contactus.html> About Us </a> </u> </font><tr><td align=center><img alt border=0 height=6 src=/images/nada.gif width=1><tr><td><table align=center border=0 cellpadding=0 cellspacing=0 width=598><tbody><tr><td><a href=http://www.math.com/> <img alt="Homework Help"border=0 height=20 hspace=0 src=/images/homework_OFF.GIF vspace=0 width=112> </a><td><img alt border=0 height=2 hspace=0 src=/images/nada.gif vspace=0 width=2><td><a href=/students/practice.html> <img alt=Practice border=0 height=20 hspace=0 src=/images/practice_OFF.GIF vspace=0 width=112> </a><td><img alt border=0 height=2 hspace=0 src=/images/nada.gif vspace=0 width=2><td><a href=/math-tutoring.html> <img alt="Ask An Expert"border=0 height=20 hspace=0 src=/images/askexpert_OFF.GIF vspace=0 width=112> </a><td><img alt border=0 height=2 hspace=0 src=/images/nada.gif vspace=0 width=2><td><a href=/students/tools.html> <img alt="Calculators & Tools"border=0 height=20 hspace=0 src=/images/tools_ON.GIF vspace=0 width=142> </a><td><img alt border=0 height=2 hspace=0 src=/images/nada.gif vspace=0 width=2><td><a href=/students/puzzles/puzzleapps.html> <img alt=Games border=0 height=20 hspace=0 src=/images/games_OFF.GIF vspace=0 width=112> </a><td><img alt border=0 height=2 hspace=0 src=/images/nada.gif vspace=0 width=2><td><a href=/store.html> <img alt=Store border=0 height=20 hspace=0 src=/images/store_OFF.GIF vspace=0 width=112> </a></table><tr align=right><td bgcolor=#ef975c><table border=0 cellpadding=0 cellspacing=0 valign=middle><tbody><tr><td align=left><script><!--
google_ad_client = "pub-2258608561945403";
google_alternate_color = "ef975c";
google_ad_width = 468;
google_ad_height = 15;
google_ad_format = "468x15_0ads_al";
google_ad_channel ="2887744830";
google_color_border = "EF975C";
google_color_bg = "EF975C";
google_color_link = "000000";
google_color_url = "000000";
google_color_text = "000000";
//--></script> <script src=http://pagead2.googlesyndication.com/pagead/show_ads.js></script><td align=right><img alt border=0 height=26 src=/images/nada.gif width=20><td align=right><img alt="Email this page to a friend"border=0 height=17 hspace=0 src=/images/email_icon.gif vspace=0 width=22><td align=right><a href=/cgibin/email_friend.html onclick=setCookie()> <font color=white face=verdana,helvetica,arial,san-serif size=1> <u> <b> Email this page to a friend </b> </u> </font> </a><td align=right><img alt border=0 height=26 src=/images/nada.gif width=20></table></table><table border=0 cellpadding=0 cellspacing=0 width=780><tbody><tr valign=bottom><td><img align=bottom border=0 height=6 src=/images/nada.gif></table><table border=0 cellpadding=0 cellspacing=0 width=780><tbody><tr><td bgcolor=#FAEFB9 valign=top width=133><table border=0 cellpadding=0 cellspacing=0 width=133><tbody><tr><td bgcolor=#EF975C><img alt border=0 height=18 hspace=0 src=/images/nada.gif vspace=0 width=5><td bgcolor=#EF975C><font class=nav_menu_title> <b> Select Tool </b> </font><td align=right bgcolor=#EF975C valign=top><img height=17 src=/images/or_solid_top_rt_whitebk.gif width=11><tr><td><img alt border=0 height=26 src=/images/nada.gif width=8><td><font class=nav_menu size=2> <b> ·  </b> <a class=nav_menu href=/students/calculators/calculators.html> Calculators </a> <br> <b> ·  </b> <a class=nav_menu href=/students/converters/online_converters.htm> Converters </a> <br> <b> ·  </b> <a class=nav_menu href=/students/solvers/online_solvers.htm> Equation Solvers </a> <br> <b> ·  </b> <a class=nav_menu href=/students/graphing.html> Graphers </a> <br>   </font><tr><td bgcolor=#EF975C><img alt border=0 height=18 hspace=0 src=/images/nada.gif vspace=0 width=5><td bgcolor=#EF975C><font class=nav_menu_title> <b> Resources </b> </font><td align=right bgcolor=#EF975C valign=top><img height=17 src=/images/or_solid_top_rt_yellowbk.gif width=11><tr><td><img alt border=0 height=26 src=/images/nada.gif width=8><td><font class=nav_menu size=2> <b> ·  </b> <a class=nav_menu href=/students/tools.html> Cool Tools </a> <br> <b> ·  </b> <a class=nav_menu href=/tables/index.html> Formulas & Tables </a> <br> <b> ·  </b> <a class=nav_menu href=/students/references.html> References </a> <br> <b> ·  </b> <a class=nav_menu href=/students/testprep.html> Test Preparation </a> <br> <b> ·  </b> <a class=nav_menu href=/students/advice.html> Study Tips </a> <br> <b> ·  </b> <a class=nav_menu href=/students/wonders.html> Wonders of Math </a> <br>   </font><tr valign=top><td bgcolor=#EF975C><img alt border=0 height=18 hspace=0 src=/images/nada.gif vspace=0 width=5><td bgcolor=#EF975C><font class=nav_menu_title> <b> Search </b> </font><td align=right bgcolor=#EF975C valign=top><img height=17 src=/images/or_solid_top_rt_yellowbk.gif width=11><tr align=left><td><img alt border=0 height=70 hspace=0 src=/images/nada.gif vspace=0 width=5><td></table><td>  <td valign=top> <table border=0 cellpadding=3 width=100%><tbody><tr bgcolor=#CCCCFF><td colspan=3 width=100%><b> Math.com Online Calculators </b></table> <table border=0 width=100%><tbody><tr bgcolor=#FFFFFF valign=top><td><table border=1 bordercolordark=#9999FF bordercolorlight=#CCCCFF cellpadding=2 cellspacing=0 width=100%><tbody><tr valign=top><td colspan=2 width=100%><p><br> <font size=-1> <font size=-1> <font size=-1> <font size=-1> <font size=-1> <font size=-1> <font size=-1> <a href=/students/calculators/source/basic.htm> Basic Calculator </a> - quick and simple </font> </font> </font> </font> </font> </font> </font></p> <p><font size=-1> <font size=-1> <font size=-1> <font size=-1> <font size=-1> <font size=-1> <a href=/students/calculators/source/scientific.htm> Scientific Calculator </a> - full featured: logs, trig, hex </font> </font> </font> </font> </font> </font></p> <p><font size=-1> <font size=-1> <font size=-1> <font size=-1> <font size=-1> <font size=-1> <a href=/students/calculators/source/square-root.htm> Square Root </a> - find square root of any number </font> </font> </font> </font> </font> </font></p> <p><font size=-1> <font size=-1> <font size=-1> <a href=/students/calculators/source/circle-solver.htm> Circle </a> - find area, radius, perimeter </font> </font> </font></p> <p><font size=-1> <font size=-1> <a href=/students/calculators/source/prime-number.htm> Prime Number </a> - is it prime? </font> </font></p> <p><font size=-1> <font size=-1> <a href=/students/calculators/source/quadratic.htm> Quadratic Equations </a> - input a, b, c and find roots </font> </font></p> <p><font size=-1> <a href=/students/calculators/source/3percent.htm> Percents </a> - 3 ways to calculate percentages, percent of, etc. </font></p><td width=100%><div align=center><table bgcolor=#9898FF border=1 bordercolorlight=#CCCCFF cellpadding=2 cellspacing=0><tbody><tr bgcolor=#9999FF><td align=left valign=center><div align=center><font size=-1> <b> Alert! </b> </font><font size=-1> </font></div><tr bgcolor=#ffffff valign=middle><td width=100%><div align=center><font size=-1> If your teacher doesn't allow calculators for homework, that means online ones, too. <br> OK? OK. </font></div></table></div> <p align=center><font size=-1> (see note on <a href=#precision> precision </a> ) </font></p><tr valign=top><td width=54%><p><font size=-1> <b> Trigonometry </b> </font></p> <ul><li><font size=-1> <a href=/students/calculators/source/cosine.htm> Cosine </a> </font><li><font size=-1> <a href=/students/calculators/source/sine.htm> Sine </a> </font><li><font size=-1> <a href=/students/calculators/source/tangent.htm> Tangent </a> </font></ul> <p> </p><td width=54%><p><font size=-1> <b> Probability </b> </font></p> <ul><li><font size=-1> <a href=/tables/stat/distributions/prob_calc.htm> Probability </a> </font></ul><td width=54%><p><font size=-1> <b> Finance </b> </font></p> <ul><li><font size=-1> <a href=/students/calculators/source/compound.htm> Compounding </a> (Savings Calculator) </font></ul></table></table> <font face="Verdana, Arial, Helvetica, sans-serif"> </font> <table bgcolor=#CCCCFF border=0 width=100%><tbody><tr><td><b> Related Resources </b></table> <p align=left></p> <div align=left><ul><li><font size=-1> <a href=/students/solvers/online_solvers.htm> Online Equation Solvers </a> </font><li><font size=-1> <a href=/students/converters/online_converters.htm> Online Converters </a> </font><li><a href=/students/graphing.html> Online Graphers </a><li><a href=http://www.math.com/students/calculators/source/scientific.htm> Purchase Calculators </a> <font face="Verdana, Arial, Helvetica, sans-serif"> </font></ul></div> <p><a href=http://www.mindspring.com/%7Ealanh/fracs.html> <font size=-1> Decimal to Fraction Calculator </font> </a> <font size=-1> - (Elementary/Middle School) <br> Turns any decimal into an equivalent or approximate fraction. </font></p> <p><font size=-1> <a href=/students/calculators/roman/compvterromanvs.html> Roman Numeral Calculator </a> - Just like Caesar used to have! Fun to use. </font></p> <p><font size=-1> <b> </b> <a href=http://www.collegeboard.org/finaid/fastud/html/fincalc/fcintro.html> Student Loan Calculators </a> - How much will your student loan payments be? </font> <font face="Verdana, Arial, Helvetica, sans-serif"> </font></p> <p><a href=http://www.webmath.com/polymult.html> <font size=-1> Multiplying Polynomials Calculator </font> </a> <font size=-1> - (Middle School/High School) <br> Put in any two polynomials and this calculator will multiply them together and show the steps to get the answer. </font></p> <p><font size=-1> <a href=http://integrals.wolfram.com/index.cgi> Integral Calculator </a> - (High School/College) Integrate functions instantly. </font></p> <p><font size=-1> <a href=http://comp.uark.edu/%7Ejgeabana/java/VectorCalc.html> Vector Calculator </a> - (High School/College) Graphically add two vectors together. Shows numerical results. </font></p> <p><font size=-1> <a href=http://mss.math.vanderbilt.edu/%7Epscrooke/toolkit.html> The MathServ Calculus Toolkit </a> - (High School/College) Many algebra and calculus tools. Polynomials, functions, graphing, derivatives, limits, integration and more. Also a separate <a href=http://mss.math.vanderbilt.edu/%7Epscrooke/detoolkit.html> differential equation toolkit </a> . (Vanderbilt University) </font> <font size=-1> </font></p> <p><font face="Verdana, Arial, Helvetica, sans-serif"size=-1> <b> <a name=precision> </a> Precision and accuracy. </b> Please be aware that there are certain limitations to all web-based calculators. The arithmetic used can lead to errors in some calculations when the numbers get very big or very small. If your work depends on being absolutely, positively accurate to the last decimal place - use a real calculator! </font></p> <td>  <td valign=top><script><!--
google_ad_client = "pub-2258608561945403";
/* Math.com calculators adlinks 180x90, created 5/14/08 */
google_ad_slot = "3280068115";
google_ad_width = 180;
google_ad_height = 90;
//--></script> <script src=http://pagead2.googlesyndication.com/pagead/show_ads.js></script> <br> <script><!--
google_ad_client = "pub-2258608561945403";
google_ad_width = 120;
google_ad_height = 600;
google_ad_format = "120x600_as";
google_ad_type = "text_image";
google_ad_channel ="3063961722";
google_color_border = "FFFFFF";
google_color_bg = "FFFFFF";
google_color_link = "0000FF";
google_color_url = "008000";
google_color_text = "000000";
//--></script> <script src=http://pagead2.googlesyndication.com/pagead/show_ads.js></script> <table border=0 cellpadding=0 cellspacing=0 width=0><tbody><tr><td>  <br><tr><td> </table><tr valign=top><td bgcolor=#FAEFB9><td>  <td align=center><p>  <br> <font class=bottom_link size=1> <a href=/contactus.html> <u> Contact us </u> </a> | <a href=/contactus.html#ad> <u> Advertising & Sponsorship </u> </a> | <a href=/company/partners.html> <u> Partnership </u> </a> | <a href=/company/linktous.html> <u> Link to us </u> </a>  </font> <br> <br> <font size=1> <b> © 2000-2005 Math.com. All rights reserved.      <a href=/legal.html> Legal Notices </a> .     Please read our <a href=/privacy.html> Privacy Policy </a> . </b> </font></p><td> </table><br><p> </p><script src=http://www.google-analytics.com/urchin.js></script><script>_uacct = "UA-326119-16";urchinTracker();</script>