Solutions For Implementing Home Loan Calculators

FinanceLoans / Lease

  • Author James Smith
  • Published September 1, 2010
  • Word count 655

Home loan calculators are a kind of calculator that's often online and enables you to be able to compute a variety of details in relation to mortgage repayments and amortization. Such a calculator may require as inputs your mortgage rate and period as well as the principle balance and additional relevant information. The calculator can then calculate pieces of information such as what your monthly repayments are going to be, what percentage of these repayments will pay off principle compared to interest repayments and sometimes an amortization table that allows you to break your mortgage repayments down by month.

In this article, I wanted to talk about a few of the common technologies which are used in order to implement online mortgage calculators as well as the qualities of these technologies. A few of these technologies include:

PHP together with HTML forms: This is possibly the most widespread implementation of such calculators. Basically, the web site that contains the calculator will contain a form in which you are able to input details about your mortgage (such as the mortgage rate, the principle, etc.) and then presents a button to estimate the repayment details. When this button is clicked, the inputs you've entered will be sent to the web server, where the calculations will be executed and another web page will load with the mortgage results. While such calculators are very widespread, the requirement that an additional web page with the results will load in the web browser can be a limitation in comparison to the next technology that's now being utilized by a number of more popular calculators.

Javascript/AJAX: Javascript is a technology that will run programming code inside your internet browser. A javascript calculator will be able to utilize this code to be able to compute the mortgage information inside your internet browser and then set the results in various parts of your web page. As detailed above, the real advantage of this over the PHP with HTML forms previously mentioned is that you don't have to have an additional page load whenever you perform the calculations. An additional technology which can be incorporated here is AJAX. AJAX makes it possible for the javascript code to communicate with the web host, which may potentially perform more complicated calculations and return the results. The javascript can then display these results on the web page with no requirement for an additional page load. This technology effectively makes it possible for computations to be performed on a web server without the limitation of the web page reloading from the first outlined technology.

Flash: Flash is a technology created by Adobe, which allows tools such as calculators to be run inside of a web page using Adobe's flash player. Many people are aware of the Flash computer games that could be located on the internet, and this sort of a mortgage calculator is implemented in the same technology as such computer games.

Java Applets: Java applets are a lot less widespread than they used to be but you still see a few calculators implemented with this technology. A Java applet is coded in a programming language referred to as Java (not to be confused with Javascript). This applet is then downloaded and run within the browsers computer system all inside of their internet browser. For a Java applet to be able to run, the browsers personal computer will need to have the Java run time environment installed. Most computers will have this installed now days and it can be downloaded free from the Sun website. This necessity to have Java installed is a limitation of this kind of technology when you compare it to technologies such as Javascript/AJAX, as users who don't have Java installed will be interrupted by the applet and asked whenever they would like to set up the technology.

These technologies represent some of the most widespread methods used to implement mortgage calculators.

To find a few types of mortgage calculators, take a look at this mortgage calculators and rates website or this refinancing calculator.

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