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## Calculus Tutorials

In this page you will find all the Calculus Tutorials in our site. Do you have any suggestion of topics you would like to see covered? No problem, just send us an e-mail telling us what Calculus topics you would like to see covered Related ...

## Fractions and Their Operations

A fraction corresponds to a number of the form \ where \(a\) and \(b\) are integer numbers, and it can be thought as "\(a\) divided by \(b\)". For example, the numbers \ are fractions. The only restriction for the fraction \( ...

## Calculation of Conditional Probabilities

Let \(A\) and \(B\) be events. The conditional probability is defined as \ as long as \(Pr(B) \ne 0 \). This conditional probability can be interpreted as the probability that A happens assuming that we know that B is true. In other words,...

## The Quadratic Equation Formula: The meaning of the term -b/2a

You have probably wondered many times what is the meaning of the quadratic formula. I mean, you probably know how to use the formula, this is, if you are presented with a problem involving some kind of quadratic equation, you know that the following ...

## Definition of Random Variable

The concept of Random Variable is a natural extension of the concept of a random experiment. Let's recall for that a random experiment is simply a procedure that leads to a non-deterministic outcome (meaning, we cannot predict it beforehand). For ...

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