at the bottom right corner of the screen moves to the next screen in the current tutorial.
at the bottom left corner moves to the previous screen in the current tutorial.
at top right takes you back to the index of screens for the current tutorial.
at top left takes you to right back the ChemCAL Online Home page.
You can also move directly to a screen using the title link on the 'index' page of each tutorial. You can browse pages in any order, though they have obviously been sequenced with a particular learning objective in mind.
Every time you load or reload a page, it comes fresh from the server or from your cache, so your answers to any question/task pages will have been cleared. |