js maths
snippet in javascript

js maths

user1485

JS Numbers and Math:

Number Properties:
MAX_VALUE
The maximum numeric value representable in JavaScript
MIN_VALUE
Smallest positive numeric value representable in JavaScript
NaN
The “Not-a-Number” value
NEGATIVE_INFINITY
The negative Infinity value
POSITIVE_INFINITY
Positive Infinity value

Number Methods:
toExponential()
Returns a string with a rounded number written as exponential notation
toFixed()
Returns the string of a number with a specified number of decimals
toPrecision()
String of a number written with a specified length
toString()
Returns a number as a string
valueOf()
Returns a number as a number

Math Properties:
E Euler’s number
LN2 The natural logarithm of 2
LN10 Natural logarithm of 10
LOG2E Base 2 logarithm of E
LOG10E Base 10 logarithm of E
PI The number PI
SQRT1_2 Square root of 1/2
SQRT2 The square root of 2

Math Methods:
abs(x)
Returns the absolute (positive) value of x
acos(x)
The arccosine of x, in radians
asin(x)
Arcsine of x, in radians
atan(x)
The arctangent of x as a numeric value
atan2(y,x)
Arctangent of the quotient of its arguments
ceil(x)
Value of x rounded up to its nearest integer
cos(x)
The cosine of x (x is in radians)
exp(x)
Value of Ex
floor(x)
The value of x rounded down to its nearest integer
log(x)
The natural logarithm (base E) of x
max(x,y,z,...,n)
Returns the number with the highest value
min(x,y,z,...,n)
Same for the number with the lowest value
pow(x,y)
X to the power of y
random()
Returns a random number between 0 and 1
round(x)
The value of x rounded to its nearest integer
sin(x)
The sine of x (x is in radians)
sqrt(x)
Square root of x
tan(x)
The tangent of an angle

javascript math objects wr3

user5671


Math.min(0, 150, 30, 20, -8, -200);  // returns -200
 

math in html

user3902

The top-level element in MathML is <math>. Every valid MathML instance must be wrapped in <math> tags. In addition you must not nest a second <math> element in another, but you can have an arbitrary number of other child elements in it.

Examples
  
Theorem of Pythagoras

HTML5 notation
<!DOCTYPE html>
<html>
  <head>
    <title>MathML in HTML5</title>
  </head>
  <body>

  <math>
    <mrow>
      <mrow>
        <msup>
          <mi>a</mi>
          <mn>2</mn>
        </msup>
        <mo>+</mo>
        <msup>
          <mi>b</mi>
          <mn>2</mn>
        </msup>
      </mrow>
      <mo>=</mo>
      <msup>
        <mi>c</mi>
        <mn>2</mn>
      </msup>
    </mrow>
  </math>

  </body>
</html>