Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]Zero Point [Chap 1-3]