clairaut partial differential equationclampclampedclamped cubic splineclamping plateclarityclasical risk theoryclassclass characteristicsclass closed under differentiationclass closed under integrationclass equationclass frequencyclass intervalclass limitclass markclass midpointsclass of elementsclass of equivalence arrowsclass of setsclass of x modulo rclass widthclasses of permutationsclasses of residuesclassicclassicalclassical adjointclassical definition of probabilityclassical exampleclassical groupsclassical logicclassical mechanicsclassical probability definitionclassical risk theoryclassical statistical mechanicsclassical theory of calculus of valuationsclassical theory of calculus of variationsclassificationclassification problemclassification procedureclassification theoremclassificatory procedureclassified dataclassifyclauseclawclearclearanceclearance angleclearing of fractions