Where is the recalculate normals button? I really need that [ RECALCULATE ] button, from my tutorial. It should be here:



But it's missing:



What did i do wrong? The Tutorial said, select the whole Mesh with [a], so i did.. But the button is not there!
Its in the shading/uv tab of the tools panel, on the left. You can also use Ctrl-N to perform the action. If you can't find a button or remember the shortcut, you can use the Spacebar menu to try searching for it