EntityQ594452· pop 32· linked from 125 articlesfunctional equationSign in to saveequation specifying a function implicitlyConnectionsequationEntitylogarithmEntityeven and odd functionsEntitymathematicsEntityLeonhard EulerEntityInternational Standard Book NumberEntitynatural numberEntityintegerEntitymathematical analysisEntityreal numberEntityrational numberEntitydifferential equationEntityCharles BabbageEntitydigital object identifierEntityexponentiationEntityvector spaceEntitysequenceEntitycommutative propertyEntityassociativityEntitycontinuous functionEntityCategoriesFunctional equations