measuring mesh

Hello,
I want to measure the surface area of a mesh.
I used the tool under properties and I can get this measure for each triangle.
But since my model is composed of many verticies (makehuman model), I’d like to have just the total measure due as sum of all the small areas.
Is there a way to obtain it?

Thanks

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http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Modeling/PrintToolbox

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