The plugin may be used in post or page's content area via shortcode or b used in sidebar widget area or c called from template issue.
Either upload the folder with all its files to the wp-content plugins folder or b unzip the plugin's zip file in the wp-content plugins folder..
If you are using widgets just add the plugin to the sidebar through Appearance -> Widgets menu in WordPress.
Add the shortcode in the area of your page or post and configure shortcode parameters...
If you want to add your brand to the calculator the application must be set to.
Yes. without making any changes the calculator will change to terrible black which indicates the custom css is being used..
If you decide to brand the calculator with your brand and or set the application to Yes two discreet links are added to page.
Of course you free to set the application to Yes even if you don't rebrand the calculator.
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