This book is the first in a three-part series designed to bridge the gap between theoretical calculus/analysis and the practical problem-solving skills needed by undergraduate students in mathematics, physics, and engineering. Part I covers single-variable differential and integral calculus, sequences, series, limits, continuity, and basic properties of functions.

| Book | Style | Solution Detail | Best For | |------|-------|----------------|----------| | Radożycki (Part I) | Step-by-step reasoning | Full solutions | Self-study, rigorous intuition | | Kaczor & Nowak (Problems in Analysis) | Terse hints | Brief outlines | Exam prep (with a tutor) | | Demidovich (Problems in Math Analysis) | Large volume, short answers | Answers only | Drill & practice (advanced) | | Polya & Szegő (Problems & Theorems in Analysis) | Very hard, elegant | Sketches | Advanced/math competition |

⭐⭐⭐⭐½ (4.5/5) Excellent for those who want to truly learn how to construct rigorous proofs and solve non-trivial analysis problems. Not a replacement for a textbook, but one of the best companions for single-variable analysis.