This shortcode allows you set switch-able value in any of you promotional text on the woocommerce site. Value should be set in the default currency. Good for any advertising text in txt-banners and articles to show the price in by-user selected currency.
Example: [woocs_show_custom_price value=20]
Note: if you need the same feature but you doesnt use woocommerce on your site, you can use next plugin: https://wordpress.org/plugins/currency-switcher/