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Tropic of Calculus » Lesson 1.5: Evaluating Limits — The Basics
Calculus 1 - Squeeze Theorem. Good overview of Finding Limits along with explantations for those in Calculus 1 (AP Calculus AB) or even the latter stages of Precalculus with limits. Check it out.
Math Gems
Stirling's approximation of n factorial. Euler's gamma function gives factorials for integers but has surprising values for fractions.
GIF
Inspiración. Creación. Admiración.
20 animaciones GIF que te hacen entender las matematicas
68 Maths ideas | math formulas, mathematics, math tricks