Ensayos PDT DEMRE is an Android application developed by Elvis Fernando. It is a free education and reference app designed to help students prepare for the Prueba de Transición Universitaria (PTU) administered by DEMRE in Chile.

The app offers a comprehensive range of study materials, including questions in various subjects such as Mathematics, Reading Comprehension, Physics, Chemistry, Biology, History, Social Sciences, and Scientific Skills. It also provides access to resources from Jovenesweb, Puntaje Nacional, and offers a calendar and information about the PDT/PTU/PSU exams.

One of the key features of Ensayos PDT is that it provides questions with answers and explanations to help users understand and solve them. The app also offers practice exams with questions aligned with the exam syllabus, allowing students to familiarize themselves with the format and content of the PTU.

Ensayos PDT DEMRE is a valuable tool for students preparing for the PTU, providing them with a wide range of study materials and resources to enhance their exam preparation.