Hi, ✋
this is another new tutorial
which is explain Math object in java script. Using math object we can access
lots of mathematical constants and functions.
So, let’s start math object.👇
Think you need to use the cos
function. So you just have to type Math.cos(x).
It’s simple!
Here I have listed some Math
properties.
À
Math.PI =
this returns the value of π. (3.14)
À
Math.E =
this returns the Euler’s constant. (2.718)
À
Math.LN2 =
this returns the natural logarithm of 2. (0.693)
À
Math.LOG2E =
this returns the base 2 logarithm of E. (1.442)
À
Math.LOG10E =
this returns the base 10 logarithm of E. (0.434)
À
Math.SQRT2 =
this returns the square root of 2. (1.414)
So we can get the output as above
values by using above functions.
So, I think it is not necessary
to describe more about Math properties. Let’s move to Math methods. It is the most important topic.
Math methods
OK. Here is some Math methods I
have listed below. Let’s identify them and learn them with a simple example.
À
Math.abs()
À
Math .sin()
À
Math .cos()
À
Math .exp(x) =
returns the exponential value of x
À
Math.ceil(x) =
returns the smallest integer that is greater than or equal to x
À
Math.floor(x) =
returns the largest integer that is less than or equal to x
À
Math.max(x,y,z) =
returns the largest number from x, y and z. If there are no numbers it gives infinity
À
Math.min(x,y,z) =
converse of Math.max(x,y,z)
À
Math.power(x,y)=here x is base and y is exponent
,So it returns xy
À
Math .random() =
returns any random number between 0 and 1 (with 0)
À
Math.round(x) =
returns the nearest integer
À
Math .sqrt(y) =
returns the square root of y
<html>
<title>
math functions </title>
<body>
<script
type="text/javascript">
var number_1 =
2.89;
var number_2
=-2.89;
document.write("abs
value of -2.89 = "+Math.abs(number_2)+"<br>");
document.write("abs
value of 2.89 =
"+Math.abs(number_1)+"<br>");
document.write("cos(30) =
"+Math.cos(30)+"<br>");
document.write("sin(30) =
"+Math.sin(30)+"<br>");
document.write("exponential
value of 1 = "+Math.exp(1)+"<br>");
document.write("Math.floor(2.89)
= "+Math.floor(number_1)+"<br>");
document.write("Math.ceil(2.89)
= "+Math.ceil(number_1)+"<br>");
document.write("Math.max(12,445,67,908)
= "+Math.max(12,445,67,908)+"<br>");
document.write("Math.min(23,-98,43,78,0)
= "+Math.min(23,-98,43,78,0)+"<br>");
document.write("Math.random()
= "+Math.random()+"<br>");
document.write("Math.round(2.89)
= "+Math.round(2.89)+"<br>");
document.write("Math
.sqrt(4) = "+Math .sqrt(4)+"<br>");
</script>
</body>
</html>
Here is the result set:
Figure
1
Ok. That’s all about math object
and you can use these methods to perform any kind of mathematical functions.
Try out with different kind of examples. Good luck!
Thankyou! 👋
Thankyou @John
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