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 core/geometry/src/geometry3d/PointHelpers.ts Line 32 Last Updated: 13 June, 2024