API Reference > geometry-core > CartesianGeometry > NumberArray > preciseSum preciseSum MethodStatic return the sum of values in an array, The summation is done with correction terms which improves last-bit numeric accuracy. preciseSum(data: number[]): number Parameter Type Description data number[] Returns - number Defined in geometry3d/PointHelpers.ts Line 31 Last Updated: 12 June, 2024