A simple way to create an online calculator
Calculates yards of material needed to cover square feet to a given depth in inches. User enters dimensions, calculator returns results in cubic yards …
Date Calculator returns the current date via shortcode and it can calculate it into an other and returns it in posts, pages and also in CF7-forms.
A plug-in to insert a calculator at anywhere in your Wordpress site for easy calculations.
"price-calc" is a WordPress plug-in that shows a nice inter-active price calculator for your product variations on any post or page.