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.
The plugin allows you to calculate the amortization schedule of a loan or a mortgage with the French method
"price-calc" is a WordPress plug-in that shows a nice inter-active price calculator for your product variations on any post or page.
A small tool to calculate the price for MS Points