In this section you will find teaching materials for high school. Materials from grades 1 to 3 are available. Choose the desired subject and good studies!

## Combinatorial Analysis

IntroductionFactorial of a number

Simple arrangement

Simple Permutation

Simple combination

## Set theory

Introduction and symbolsOperations Symbols

Set Concepts

## Vectors

Straight and segment orientedDirection and Direction

Equipolent Segments

What is a vector?

Some types of vectors

Collinear vectors

Coplanar Vectors

Vector operations

Scalar product

## Functions

What is a functionDomain and image of a function

Domain Obtain

Cartesian graphic construction

Roots of a function

Properties of a Function

Even and odd function

Increasing and decreasing functions

Compound function

Inverse function

## Probability

IntroductionConditional probability

Independent Events

Probability of event union

## Spatial geometry

Points, lines and planesAxioms

Relative positions of two straight lines

Determination of a plan

Relative positions of line and plane

Perpendicularism between line and plane

Relative positions of two planes

Orthogonal projection

Distances between point, line and planes

Angles between lines and planes

Diedros, triplets, polyhedra

Polyhedra

Regular polyhedra

Prisms

Prism Classification

Prism Section

Parallelepiped

Cube

Generalization of the volume of a prism

Cylinder

Cylinder sections

Cylinder Area and Volume

Equilateral cylinder

Circular cone

Cone Area and Volume

Pyramid

Parallel section to the base of a pyramid

Pyramid Area and Volume

Pyramid trunk

Cone Trunk

Ball

Sphere Parts

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## Logarithms

DefinitionOperative properties

Cologarithm

Base change

Online calculation of logarithms

## Arrays

IntroductionGeneral notation

Row, column and square matrix

Null, diagonal, and identity matrix

Transposed, symmetrical, opposite matrix

Matrix Addition and Subtraction

Multiplying a Real Number by an Array

Matrix multiplication

## Determinants

IntroductionMinor companion

Cofactor

Laplace's theorem

Sarrus Rule

Determinant Properties

Properties (part 2)

Properties (part 3)

## Complex numbers

Introduction and algebraic formEquality of complex numbers

Conjugate of a complex number

Addition and subtraction in algebraic form

Multiplication and division in algebraic form

Powers of i

Module and argument

Trigonometric or polar shape

Multiplication and division in trigonometric form

Potentiation and rooting in trigonometric form

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