Math object, PHP Web Programming

Assignment Help:

Predefined Objects

Let us assume some of the most frequently utilized predefined objects provided in Javascript.

Math object

In most of the applications we have to perform calculations, whether this is accounting software or scientific software. Programmers are frequently typecast as good mathematicians. Every mathematician required a calculator sometimes, or in the particular case of JavaScript, the Math object. If we desire to calculate "2.5 to the power of 8" or "Sin0.9" in your script, then JavaScript's virtual calculator is what you desire. The Math object have a number of manipulating functions:

The Math object

Methods

Description

Math.abs(x)

Return absolute value of x

Math.acos(x)

Return arc cosine of x in radians

Math.asin(x)

Return arc sine of x in radians

Math.atan(x)

Return arc tan of x in radians

Math.atan2(x, y)

Counterclockwise angle among x axis & point (x,y)

Math.ceil(x)

Rounds a number up

Math.cos(x)

Trigonometric cosine of x (x in radians)

Math.exp(x)

Exponential method ex

Math.floor(x)

Rounds number down

Math.log(x)

Natural logarithm of x (base e)

Math.max(a, b)

Returns the larger of two values

Math.min(a, b)

Returns the smaller of two values

Math.pow(x, y)

Returns xy

Math.round(x)

Rounds x to the closest integer

Math.sin(x)

Trigonometric sine of x (x in radians)

Math.sqrt(x)

Square root of x

Math.tan(x)

Trigonometric tangent of x (x in radians)

Properties

Description

Math.E

Euler's constant ( ~ 2.718)

Math.LN10

Natural logarithm of 10 (~ 2.302)

Math.LN2

Natural logarithm of 2 (~ 0.693)

Math.LOG10E

Base 10 logarithm of Euler's constant (~          0.0434)

Math.LOG2E

Base 2 logarithm of Euler's constant (~1.442)

Math.PI

The ratio of a circle's circumference to its   diameter

(~3.141)

Math.SQRT1_2

Square root of 0.5 ( ~ 0.707)

Math.SQRT2

Square root of 2.0 ( ~ 1.414)

 

Let us encompass Javascript perform some mathematical calculations: 

  //calculate e                                                                                                                                    

Math.exp(5)                                                                                                                                       

//calculate cos(2PI)

Math.cos(2*Math.PI)                                                                                                                        

The "with" statement

If you intend to invoke Math multiple times in your script, a good statement to remember is "with." Using it you can omit the "Math." prefix for any subsequent Math properties/methods:

with (Math){ var x= sin(3.5) var y=tan(5)

var result=max(x,y)

}


Related Discussions:- Math object

Html creation from document besides integration into the web, HTML creation...

HTML creation from document besides integration into the website We produce scientific articles besides we wish to create HTML from word documents as well as then integrate it i

We need a web developer, We need a web developer We have a very modest t...

We need a web developer We have a very modest three page site on go daddy and just want someone to design it through the go daddy site. We as well would like a logo designed.

Establish a database connection to a mysql server, Question: (a) What ...

Question: (a) What PHP code snippet is used to establish a database connection to a MySQL server using the MySQL improved API? (b) What are the advantages of using sto

Need a expert to check cookie tracking on our site, Check cookie tracking o...

Check cookie tracking on our site We have influence radius (affiliate tracking) as well as we have people sending us traffic and conversions. We want someone to check as well as

Table tr and td tags, Three tags form the necessary ingredients for develop...

Three tags form the necessary ingredients for developing a table. TABLE: It is the main tag. It tells the browser that a table follows. It has attributes such as size and border

Serbian php developer wanted for long terms, Serbian PHP Developer wanted >...

Serbian PHP Developer wanted > Must be creative with UI Experience, etc We are interested for a RESPONSIBLE as well as well-organized programmer with the following requirements

Need professional website, Need professional website, backend system with l...

Need professional website, backend system with login and admin panel Project Description: we want someone or a team who are able to assist us in the subsequent, 1) a profe

We need help for simple php online ordering system, We need help for Simple...

We need help for Simple php online ordering system I need a basic online ordering system for restaurant which is very user friendly, both client side as well as back panel. It m

We need a wordpress plugin development expert, We need a WordPress Plugin D...

We need a WordPress Plugin Development expert We are seeking an experienced and skilled WordPress developer to develop a WP plugin for one of our clients who specialises in home

Custom built web scraper, Need either a custom built web scraper or one tha...

Need either a custom built web scraper or one that is previously created. I need this ASAP. Will be scraping simple text fields and putting data into excel/csv file. Desired Ski

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd