Jackson integral noun1 •The series expansion ∫₀ᵃf(x),rm d_qx=(1-q),a∑ₖ₌₀ ᪲qᵏf(qᵏa). for real variable a and function of a real variable f(x).The Jackson integral enjoys several elementary properties of the usual integral. — 1993 formsJackson integrals