GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
12[1XIndex[101X34[2XAddToMatElm[102X, for matrices over graded rings 5.4-35[2XBasisOfRowModule[102X, for graded rings B.1-16[2XCommonNonTrivialWeightOfIndeterminates[102X 4.3-27[2XDecideZeroRows[102X, for graded rings B.1-28[2XDegreeGroup[102X 4.3-19[2XDegreesOfEntries[102X 5.3-110[2XDiff[102X A.2-411[5XGradedRingForHomalg[105X .-312[2XHomalgGradedRingElement[102X, constructor for graded ring elements using a given numerator and one as denominator 4.2-113constructor for graded ring elements using numerator and denominator 4.2-114[2XIsHomalgGradedRingElementRep[102X 4.1-215[2XIsHomalgGradedRingRep[102X 4.1-116[2XIsHomalgMatrixOverGradedRingRep[102X 5.1-117[2XMatElm[102X, for matrices over graded rings 5.4-518[2XMatElmAsString[102X, for matrices over graded rings 5.4-419[2XMatrixOfWeightsOfIndeterminates[102X 4.3-420[2XMatrixOverGradedRing[102X, constructor for matrices over graded rings 5.2-121[2XMonomialMatrix[102X A.2-122[2XName[102X, for homalg graded ring elements 4.4-323[2XNonTrivialDegreePerColumn[102X 5.3-324[2XNonTrivialDegreePerRow[102X 5.3-225[2XRandomMatrixBetweenGradedFreeLeftModules[102X A.2-226[2XRandomMatrixBetweenGradedFreeRightModules[102X A.2-327[2XSetMatElm[102X, for matrices over graded rings 5.4-228[2XSyzygiesGeneratorsOfRows[102X, for graded rings B.1-329[2XUnderlyingNonGradedRing[102X, for homalg graded ring elements 4.4-230for homalg graded rings 4.4-131for matrices over graded rings 5.4-132[2XWeightsOfIndeterminates[102X 4.3-3333435-------------------------------------------------------363738