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Javascript math object tutorial

Javascript math object:

A JavaScript Math object provides no. of properties and methods for performing mathematical operations. Math is not a constructor and all the properties and methods of Math are static.

Example:

 
 
<script>   
var num = Math.random();
var squarRoot = Math.sqrt(num ) ; 
document.write("Random Number:  " + num + "</br>");  
document.write("Square root: " + squarRoot );   
</script>

JavaScript Math Object Properties:

PropertyDescription
E \Euler’s constant and the base of natural logarithms, approximately 2.718.
LN2Natural logarithm of 2, approximately 0.693.
LN10Natural logarithm of 10, approximately 2.302.
LOG2EBase 2 logarithm of E, approximately 1.442.
LOG10EBase 10 logarithm of E, approximately 0.434.
PIRatio of the circumference of a circle to its diameter, approximately 3.14159.
SQRT1_2Square root of 1/2; equivalently, 1 over the square root of 2, approximately 0.707.
SQRT2Square root of 2, approximately 1.414.

JavaScript Math Object Methods:

abs() method:
Use: To get the absolute value of the given number.

acos() method:
Use: To get the arccosine of the given number in radians.

asin() method:
Use: To get the arcsine of the given number in radians.

atan() method:
Use: To get the arc-tangent of the given number in radians.

cbrt() method:
Use: To get the cube root of the given number.

ceil() method:
Use: To get a smallest integer value, greater than or equal to the given number.

cos() method:
Use: To get the cosine of the given number.

cosh() method:
Use: To get the hyperbolic cosine of the given number.

exp() method:
Use: To get the exponential form of the given number.

floor() method:
Use: To get largest integer value, lower than or equal to the given number.

hypot() method:
Use: To get square root of sum of the squares of given numbers.

log() method:
Use: To get natural logarithm of a number.

max() method:
Use: To get maximum value of the given numbers.

min() method:
Use: To get minimum value of the given numbers.

pow() method:
Use: To get value of base to the power of exponent.

random() method:
Use: To get random number between 0 (included) and 1 (excluded).

round() method:
Use: To get closest integer value of the given number.

sign() method:
Use: To get the sign of the given number.

sin() method:
Use: To get the sine of the given number.

sinh() method:
Use: To get the hyperbolic sine of the given number.

sqrt() method:
Use: To get the square root of the given number.

tan() method:
Use: To get the tangent of the given number.

tanh() method:
Use: To get the hyperbolic tangent of the given number.

trunc() method:
Use: To get the integer part of the given number.

 

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