ГДЗС - калькулятор для поста is a free Android app developed by EllizeApps that helps users solve problems related to firefighting and rescue operations. The app offers a formulaic and numerical solution for tasks such as locating and working at a fire source. It also contains a database of theoretical questions for the accreditation of rescuers, signal signs, topography answers, and fire safety duties for security posts.

The app provides tips on symbolic values in formulas, which can be accessed by long-tapping on the relevant item. However, it is important to note that the database for accreditation is from the "old" computer test for accreditation of rescuers and may not be up-to-date. Users are advised not to consider these answers as correct and applicable in practice. The app also offers a paid version that can be purchased on the developer's app page.

Overall, ГДЗС - калькулятор для поста is a useful app for rescuers and firefighting professionals, offering a range of solutions for various emergency situations. However, users should exercise caution when using the theoretical questions database and seek out updated information.