POWER GRAPHIC Engineering Surveyor Programs

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Casio fx-7400G Plus Power GraphicEngineering Surveyor ProgramsCOLUMNIntroductionDetermines the centre of a column given the co-ordinates of two adjacent cornersand the overall width of the column section.The column direction from the baseline must be given as “to the left” or “to theright”.A check is also made to determine the squareness of the observations/column.DiagramOverallWidthEc, NcIn thisexample,the column isto the LEFT ofthe BaselineE1, N1E2, N2InputTwo corner co-ordinates: (E1, N1) (E2, N2)Overall Column Width: WidthOutputSquareness:Column Centre Co-ordinates:S(Ec, Nc)Page 12 of 38
Casio fx-7400G Plus Power GraphicEngineering Surveyor ProgramsCURVEIntroductionDetermines the setting-out co-ordinates of points on a curve.DiagramPositiveChainageNew Points (Ep, Np)E0-, N0XNegativeChainageRadiusEc, NcInputCircle Centre:(Ec, Np)Starting Point: (E0, N0)+’ve or –‘ve Chainage: XOutputRadius:Curve Points:R(Ep, Np)Page 13 of 38
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POWER GRAPHIC Engineering Surveyor Programs

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