introduction to numbers

Complex analysis: introduction to imaginary numbers

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Analyse complexe : introduction aux nombres imaginaires

IN BRIEF Complex analysis: area of study of complex numbers. Definition of a complex number: z = a + bi with a and b real, i imaginary unit. Visualization of complex numbers in the plane with coordinates. Operations on complex numbers: addition, subtraction, multiplication, etc. Basic concepts related to imaginary numbers and their importance in … Read more

Introduction to whole numbers, decimals, and rational numbers

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Introduction aux nombres entiers, décimaux et rationnels

IN BRIEF Relative integers: Positive or negative, denoted ℤ. Set ℕ: Contains all natural integers, included in ℤ. Rational numbers: Quotient of a relative integer and a non-zero integer, denoted ℚ. Irrational numbers: Cannot be expressed as a ratio of integers. Decimal numbers: A subset of rational numbers. Fractions and decimals: Used to solve problems. … Read more