Caution: to use this app, please print the image target at www. matematicajatai. com/ 3DVetor -en. This app uses augmented reality to help you understand the position of points, vectors and its coordinates in 3D-space. It is being developed at the LEIS lab, Regional Jataí of the UFG Visit www. matematicajatai. com/3dvetor-en for more!