TY - JOUR AU - Silvano Rossetto AU - Giovanni Vincenzi TI - Two hidden properties of hex numbers JO - The Teaching of Mathematics PY - 2022 SP - 21 VL - XXV IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM2_2022_XXV_1_a2/ LA - en ID - TM2_2022_XXV_1_a2 ER -