Math Study Notes

Today, there are hundreds of tools that can help us solve problems in any scientific field, including mathematics, of course.Whether through apps or websites for mobile devices or computers, these sites aim not only to solve the exercises or equations we pose, but also to offer comprehensive help and explain their steps step by step. Expanding the list … Read more

The subject of mathematics, regardless of the level, always requires more extensive instructional programs. Whether you’re an elementary school student, a university student, or a professional in the subject, you must constantly practice new exercises or numerical problems to achieve your desired goals in your studies. We now offer seven free online courses with different … Read more

How many times have you heard someone say, “I wasn’t born for math”? I’m sure more than once. But what if I told you that we all have the ability to understand  math  if it’s explained to us properly? Yes, even you, who are reading this. The myth of speed First, let’s debunk a common myth: … Read more

In Mathematics, a function corresponds to an association of the elements of two sets, that is, the function indicates how the elements are related. For example, a function from A to B means associating each element belonging to set A with a single element that makes up set B, therefore, a value of A cannot … Read more

Study mode, mean and median with exercises solved and explained step by step. Clear your doubts and prepare for tests and entrance exams. Median Exercises Exercise 1 In a pediatric office, a doctor saw nine children in one day. He measured and wrote down the children’s heights during the consultations. 1st consultation 0.90 m 2nd … Read more

Arrangements are ordered sequences of elements that belong to a finite set. Each possible sequence is an arrangement, whether with all the elements of the set or part of them. To define what an arrangement is, let us consider a set X of n elements and a number p less than or equal to n, … Read more