Dive into the world of mathematical problem-solving with our comprehensive book on Olympiad-level challenges. Whether you are a beginner eager to explore the beauty of mathematical problems or an advanced reader seeking alternative solutions and generalizations, our book caters to all levels of expertise. Carefully curated problems cover Algebra, Geometry, Trigonometry, Number Theory, and Combinatorics, providing a diverse and engaging learning experience. The second edition introduces two new sections and over 60 additional problems with complete solutions, offering an enriched resource for both aspiring and seasoned mathematicians. Sharpen your skills and broaden your mathematical horizons with this must-have guide to Olympiad problem-solving

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Explore the comprehensive documentation of TikZ and its underlying pgf system, offering insights from the basics to advanced techniques. Delve into a wealth of options for creating intricate graphics in LaTeX, with tutorials to guide beginners and seasoned users alike. From understanding TikZ as a graphics language to navigating its system and basic layers, discover how to harness its power for precise, customizable visualizations. Uncover the layers beneath TikZ, including its system and basic layers, and learn to leverage them effectively for creating complex graphics with ease. Whether you're a novice or an expert, this book equips you with the knowledge and tools to master TikZ and elevate your document design

Dive into the world of linear algebra with 'Linear Algebra: A Modern Introduction', authored by David Poole of Trent University. Explore the third edition of this comprehensive textbook, offering modern insights and applications in the field