element of arc lengthelement of areaelement of determinantelement of integrationelement of masselementalelementaryelementary algebraelementary analysiselementary column operationelementary column operationselementary diffusion equationelementary divisorelementary divisorselementary eventelementary functionelementary functionselementary geometryelementary matrixelementary matrix operationselementary neighborhoodelementary operationelementary particleelementary row operationelementary row operationselementary setelementary symmetric functionelementary symmetric functionselementary transformationelementary unitselementary waveselementselements of a matrixelements of a setelements of a triangleelements of geometryelements sumelevationelevation of a given pointelevatoreligibleeliminateeliminate indeterminacyeliminationelimination constantelimination form of the inverseelimination methodelimination of an unknownelimination processelipses of spread