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[Splint]

Hi,

I'm tying to create an eactivity on a Classpad 2 for an interpolation equation y2=((x2-x1)(y3-y1)/(x3-x1))+y1 but it always comes back with an Invalid Name message. Anyone know what the issue is with this?

Thanks
Splint

[Splint]

Got it sorted, it cant handle subscript characters.