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Posted by cwdjrxyz on 05/22/07 20:39
On May 22, 10:51 am, lrbtav <lrb...@gmail.com> wrote:
> I need to do some simple math with a website. For example, I need
> about 12 input boxes, some need to take a value and multiply by
> another box, others need to be multiplied by a constant number. I have
> an excel spreadsheet doing this but need to put it on a website.
>
> What's the easiest way to accomplish this? Can I use html or do I need
> to use php or something? Thanks!
As others have indicated, doing math is not part of html. You can use
javascript, but you have quite a bit to learn if you have never used
it before. The Usenet group comp.lang.javascript covers javascript,
and their FAQs are at http://jibbering.com/faq/index.html . Perhaps
the most often used server side language for doing math is php, and
many hosts that sell web space often have php installed on their
servers these days. As far as the math goes, the code written in php
looks much like javascript code in many respects. This is not always
an advantage, since if you are used to writing javascript it is all
too easy to make an error when writing php in cases where the two
languages vary slightly. Learning php also can take considerable time.
Also you need to be very careful when writing server side script of
any kind with input forms. Hackers can put scripts, etc into your
forms that can do very nasty things if you do not control what you can
input into the forms very carefully. Pages have been defaced, deleted,
or a whole server has been crashed by some such hacker tricks.
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