Set of calculators (it will be expanded depending on acceptance and evaluation) with which you can:INVESTIGATION AND DYNAMICS OF ACCIDENTS:- Calculate the speed of a vehicle from the length of its braking tracks.- Calculate the radius of a curve.- Calculate the critical speed of a curve.- Convert from km / h to m / s.- Convert from m / s to km / h.ALCOHOLEMIA TESTS:- Calculator of the Maximum Permitted Error (EMP), according to the ethylometer used to carry out the breathalyzer test, obtaining the final result after its application. Valid for Spain (Order ICT / 155/2020) and countries that comply with International Recommendation number 126 of the International Organization of Legal Metrology (OIML R-126).COMPENSATION FOR INJURIES IN TRAFFIC ACCIDENTS:- Web link (requires connection) to two basic calculators that contemplate the scales from the year 2000 to the year 2015, and from the new scale that came into force in 2016.Feel free to suggest improvements.