tvks Posted December 19, 2006 Share Posted December 19, 2006 Hi,I have a form where there are three text fields. As people enter values in the first two fields I want the third field to be automatically updated using a mathematical formula. This third field must not be enabled for users to enter values.Thanx for any help in advance.Regardstvks Link to comment https://forums.phpfreaks.com/topic/31222-a-field-auto-evaluate/ Share on other sites More sharing options...
ober Posted December 19, 2006 Share Posted December 19, 2006 This does not require AJAX unless you need help from some PHP library. You can do math simply with Javascript. Link to comment https://forums.phpfreaks.com/topic/31222-a-field-auto-evaluate/#findComment-144406 Share on other sites More sharing options...
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