When we create forms, we often need to have a field that depends on what was selected previously in other fields; for example, in purchase forms, price depends on the number of items; in shipping forms, it may depend on the zip code of the destination; in rental forms, on the contract length. In all these cases, we need a dynamically calculated field, whose value is updated automatically, whenever the value of another field in the form is changed.
I bet you loved completing the square and factorising and the many other methods you can use to solve polynomial equations. Well, just enter the coefficients and the solutions will be supplied, even the imaginary ones.
Tigra Calculator is free JavaScript widget that allows your visitors to perform arithmetic calculations instantly on the HTML form. Nice looking Pop-up calculator can be easily attached to any existing form element. Well known look and feel makes calculator usage intuitive.
The script rounds the final amount to 2 decimal places except where there is only one decimal place where it returns inthe format xx.x (most payment processors accept this as a final sale amount).
To change the VAT rate just edit the values in the VAT menu box.
The onClick event handler would be added to the submit button of any form the script was added to.
SoundExR is a SoundEx index generator that takes a word or name and simultaneously provides three different SoundEx codes as the word or name is being typed. It may be displayed in the context of your page or 'popped up' from a link on your page. The three SoundEx variations include both of the variations used in the U.S. census, and a special enhanced version documented by Creativyst.
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