AISI S100-16 Cold-Formed Steel Design (Specification, Commentary, Design Manual with 74 examples). Search specification chapters A-M, calculate member capacities using ASD/LRFD/LSD methods, apply Effective Width Method (EWM) or Direct Strength Method (DSM), lookup steel grades (ASTM A1003, A653, A792), analyze buckling modes (local, distortional, global), design connections (welds, bolts, screws), access 74 worked examples. Activates for cold-formed steel, light-gauge steel, C-section, Z-section, deck, joist, stud, purlin, girt, standing seam roof, metal building, steel framing, 냉간성형강, 경량형강, 좌굴, 유효폭 questions.