Hi, how can i plot(3d) these inequations? : x^2 + y^2 <= 1 && 0 <= z <= x^2 +y^2 Thank you very much. Kind regards, Ercan -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.scilab.org/pipermail/users/attachments/20121020/84a3e2df/attachment.htm>