Thomas could not help himself now for he burst out laughing, Holographics! Holographics!? Is this girl serious? Is she really that stupid? He thought but he eventually realised that this was putting him Ina awkward position so he ceased to laugh "Uh... Ah... Right Holo- No... Ah yes! Well the first basic principal of algebra is (I know nothing about algebra so I shall just say ...) ......