*Valid November 28, 2024 - December 2, 2024 at Canadian stores and at indigo.ca, while quantities last, with $50.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.
Functional Equations and Inequalities/en-ca/functional-equations-and-inequalities/1D70351D-DB35-44C2-A81F-913C0705AD5E.html1D70351D-DB35-44C2-A81F-913C0705AD5E