Furthermore, only the calculator does not solve any problem, students should acquire the ability to collect important data, enter this information into the calculating machine and at the end have a critical sense, which allows them to assess whether the result makes sense or not in the context of the problem.Cite this as: Wolfram Research (2010), RandomVariate, Wolfram Language function. This is because, some students become too dependent on the calculator and are unable to perform some mental calculations, even if they are the simplest. However, its use also has some disadvantages. The most recent calculating machines already have high resolution color screens, something very useful and which has become normal in a modern calculator, since it makes it easier for students to analyze different types of graphs. Most of these calculators offer trigonometric functions, calculation of probabilities, calculation of matrices, possibility of programming and presentation of graphs of different types. The capacity of a scientific calculator varies according to the make and model and goes far beyond the calculation possibilities limited to arithmetic (used in basic education). The scientific calculators most used in teaching are from Casio and Texas Instruments.
The use of the graphing calculator is mandatory in secondary education in all subjects in the area of Mathematics, and some questions may not be resolvable without recourse to its use, so it is essential. Today's calculators are electronic and are built by several manufacturers, in different shapes and sizes, varying in price according to the sophistication and the resources offered.
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