Unsolved mysteries and economic theories explored.
The app presents over 100 natural and historical unsolved mysteries that currently defy scientific explanation. It also includes content related to "The Road to Serfdom," discussing economic systems and individual freedom.
by 红 陈★ 5.02 ratingsReferenceFreeData updated 2026-10-16
The app provides technical repair and maintenance information for various car models. Data is categorized for easy access and includes details on general information, chassis, fuel systems, and more.
Monitor battery systems with real-time state of charge tracking, individual cell voltage measurement, and multi-zone temperature monitoring. Implement over/under voltage protection, short circuit prevention, and thermal management.
The app presents letters and sounds interactively for young children. It includes words for each letter to expand vocabulary and prepare children for school.
Children's selected fairy tales with illustrations.
The app presents selected fairy tales for children with beautiful illustrations on each page. It includes a collection of classic stories for young readers.
The app presents a challenge to touch numbers 1 through 100 in order within four minutes. A scoring system rewards quick number finding, and users can compare scores with friends and attempt achievements.
The app presents fourteen notable locomotives with descriptions and individual engine noises. Users can learn information about famous trains such as the GNR Stirling 4-2-2 and TGV.
The app provides students with key statistics formulas and symbols for homework assistance. It also includes a notes section for class or study review.
The app introduces sounds used in the initial reading period. It also presents concepts important for early reading, such as first, beginning, middle, and end.
Access curated, evidence-based medical content for chronic obstructive pulmonary disease. Use voice-enabled natural language to navigate information. Retrieve clinical decision support tools and disease-specific guidelines directly on mobile devices.
The app offers scientific calculator functions and RPN mode for fast calculations. Its uncluttered interface uses the RPN system favored by engineers and scientists.
The app helps men track prostate health, including fluid intake, urine output, and incontinence. It also includes a questionnaire for urinary symptoms and a tracker for PSA values.
View 3D models of injection molding processes using augmented reality. Explore techniques and capabilities through interactive demonstrations. Access scientific molding training and tools to improve quality and productivity.
The app provides the latest Russian Federation Road Traffic Regulations from 2015. It includes traffic signs, road markings, and an exam to test knowledge and prepare for the Russian Federation traffic police exam.
Record crow calls and submit observations to contribute to scientific research. Identify crow species and subspecies through audio recordings. Access educational content about crow behavior and ecology.
The app presents the story of Pelagie, an African American woman whose life impacted America. It offers chronological and timeline navigation for educational exploration of historical subjects, court cases, and stereotypes.
The app provides all fifteen verses of the Dutch national anthem, Wilhelmus. It includes audio, karaoke, sheet music with zoom, historical context, a sign language version, and translations.
Convert AI-generated text into natural, human-like language. Adjust tone and style to suit different contexts. Enhance content readability and engagement. Export modified text for use in emails, social media, or documents.
The app presents 3D geometric models with Augmented Reality, allowing users to view shapes from all angles and see their sides unfold. It includes curricular content and exercises for students aged 11 and above, available in English and Spanish.
Teaches English alphabets through interactive lessons. Includes full A to Z with associated words and real sounds. Links each letter to objects for better learning. Allows to explore letters and related vocabulary.