Louis La Minh Hoang
A study journey by Louis La Minh Hoang
Category: Uncategorized
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Today’s math lesson was a full-circle return to the foundations of calculus, as we reviewed both differentiation and integration — the two pillars that support almost every advanced topic in mathematics. Even though I’ve learned them before, revisiting them together showed how closely connected they are and how powerful they become when used side by…
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Today’s physics lesson focused on the eye — but not in the biological sense. No anatomy, no retina cells, no rods or cones. Instead, we treated the eye purely as an optical system, a beautifully engineered arrangement of lenses, focal lengths, and image formation. It was all physics, all math, and surprisingly elegant. We approached…
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Today’s computer science session was all about putting my skills to the test — literally. Instead of reviewing notes or doing small exercises, I attempted a full IGCSE Computer Science practical-style exam, the one filled with algorithm design, pseudocode writing, logic tracing, and structured thinking. It was a long, intense session, but honestly one of…
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In this computer science lesson, I revised writing pseudocode, with a strong focus on applying the rules correctly in IGCSE past exam questions. The lesson wasn’t about learning new syntax, but about sharpening accuracy, clarity, and exam technique. We went over the standard pseudocode conventions used in IGCSE, making sure structures like IF…THEN…ELSE, WHILE, REPEAT…UNTIL,…
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In this math lesson, I focused on complex inequalities through the use of specific and powerful inequality theorems, rather than trial-and-error or graphing alone. The emphasis was on recognizing structure and choosing the right theorem to simplify a difficult-looking problem. A major part of the lesson involved applying classic results such as the AM–GM inequality…
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In this math lesson, I worked on integration, starting from the simple and foundational ideas before moving on to slightly more involved applications. The goal was to build a clear understanding of what integration actually represents, not just how to perform it mechanically. We began with basic integrals of common functions, treating integration as the…
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In this math lesson, I revised the topic of similar triangles, focusing on understanding the reasoning behind similarity rather than just applying ratios mechanically. Although the concept is familiar, the problems showed how powerful and subtle similarity can be in geometry. We reviewed the conditions for triangle similarity, and discussed how these guarantee that two…
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In my math lesson, I focused on revising congruent triangles, reinforcing both the theory and the logical reasoning behind it. Even though this is a familiar topic, the revision showed that it is far more than just memorizing conditions — it is about building solid mathematical arguments. We reviewed the main criteria for triangle congruence…
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In my computer science class, I studied databases and SQL, focusing on how data is stored, organized, and queried efficiently. Instead of seeing data as random information, this lesson emphasized structured thinking and logical design. We began with the fundamentals of databases, learning why tables are used and how rows and columns represent records and…
Louis La Minh Hoang 