Log in as admin Install a right to left language pack (like Arabic) Go t your profile page Go to the edit profile page Switch language to the language you installed at step 2 Scroll down to the Atto editor Expand Atto toolbar buttons Click on the formula editor button (it has the calculator icon) Start typing in the text area Verify that the text area's direction is left-to-right Verify that you see a preview of the formula below the editing area Verify that there is a border around the equation preview Verify that the equation preview has a light grey background colour (as long as it is not white)