Study for maritime exams with Delta Test Convention Plus. Access questions and answers updated for . Practice tests by role including captain, deck officer, engineer, and crew. Review explanations and track progress.
The app guides young Ukrainian users on an adventure in the mountains with Grandpa Ivan and animals. Children learn animal names, sounds, counting, food preferences, and logical responses through interactive stories and games.
Help children with autism learn to communicate through visual symbols and phrases. Select and arrange icons to form sentences. Record and playback voice messages. Save and share communication boards. Track progress with customizable settings.
Prepare for exams with 30 test variants aligned with requirements. Review 60 theoretical topics organized for easy memorization. Analyze and solve problems with detailed explanations. Access formulas, examples, and usage guidance.