{"id":65,"count":3,"description":"eMathStudio (Student &amp; Teacher) comes with a checking quota of 200 checks. If you are a user of eMathStudio Free, or you wish to add more checking to your subscription plan, you can increase your quota with <a href=\"https:\/\/fourferries.com\/en\/automatic-checking\/\">eMathChecker<\/a> additional checking quota.\r\n\r\nThe unique checking feature allows you to check if your derivation is mathematically correct, step-by-step. The checking function is not connected to any pre-made material, which means that you can use it to check any assignments you are working on. The math checker supports up to university level mathematics. In addition it includes a calculator for performing numerical and symbolical calculations. The calculations are done in-line as part of your derivations, which means that you do not have to copy results from one field to another.\r\n\r\nYour checking quota is valid 1 year from purchase. Purchase requires that you have a user account. <a href=\"https:\/\/app.emathstudio.com\/?register&amp;lang=en\">Get one here<\/a>.","link":"https:\/\/fourferries.com\/webshop\/en\/product-category\/4f-checker-en\/","name":"Additional checking quota","slug":"4f-checker-en","taxonomy":"product_cat","parent":0,"meta":[],"menu_order":4,"_links":{"self":[{"href":"https:\/\/fourferries.com\/webshop\/wp-json\/wp\/v2\/product_cat\/65","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fourferries.com\/webshop\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/fourferries.com\/webshop\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"wp:post_type":[{"href":"https:\/\/fourferries.com\/webshop\/wp-json\/wp\/v2\/product?product_cat=65"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}