According to the different technological advances and the demands demanded by society, it is necessary to possess skills that allow citizens to be better prepared in the use of ICT, using them from basic education for the development of competences.

The App was inspired by the typewriter proposed by Skinner, for the teaching of solving problems that involve the approach and resolution of a system of 2 × 2 equations with integer coefficients, using the most relevant method (addition and subtraction, equalization or substitution) (SEP, 2011).

Designed by Professor Norberto Jiménez with a degree in secondary education with a specialty in mathematics from the Escuela Normal Superior de México "ENSM"