I have published a set of personal class notes from two advanced calculus courses I took at the University of Costa Rica, now available under Notes:
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Single Variable Real Analysis (MA-0350) — Cálculo en una Variable 2, taught by Dr. Pedro Méndez Hernández. Twelve chapters covering sequences and series of real numbers, the Riemann integral and its applications, improper integrals, and pointwise and uniform convergence of function sequences.
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Multivariate Real Analysis (MA-0450) — Cálculo en varias variables, taught by Dr. Juan Gabriel Calvo Alpízar. Five chapters covering the topology of \(\mathbb{R}^n\), differentiation in several variables, multiple integration, and an introduction to vector calculus.
The notes are available in Spanish and English, and shared as-is. They may contain errors and are not affiliated with the instructors.