Create 2D scenes with realistic physics. Add and manipulate objects to simulate motion and interactions. Test designs for stability and functionality. Analyze forces and motion. Build and refine mechanical structures. Share creations with others.
Structure your day with focused intervals and mindful breaks to maintain energy and avoid burnout. Use ambient soundscapes to enhance concentration. Track progress and customize session lengths and break durations.
Practice AFQT and full tests with 2000+ exam-like questions. Cover all test sections. Track progress with prediction tests. Prepare for army, navy, air force, marine, and coast guard entrance exams.
Convert units, calculate power, track energy metrics
Convert electrical units including Ampere, Volt, Watt, Ohm, Siemens, Joule, and Second. Calculate duration of energy, peak voltage, and terminal voltage. Adjust number formats for precise results. Perform complex electrical calculations with ease.
Study engineering concepts through practice problems and flash cards focused on the FE Reference Handbook. Take exam practice on the go and access curated content by engineering experts.
Calculate primary and secondary full-load currents based on ratings and voltages. Determine turns ratio and type. Input phase type and voltage values to obtain current outputs and ratio calculations.
Perform calculations including resistor color code analysis, transformer voltage and current computations, and voltage, current, resistance, and power determinations. Include upgraded voltage drop calculations compliant with NEC/IEEE standards.
SAT exams with Reading Comprehension, Math Problem Solving, Identifying Sentence Errors, and Sentence Correction sections. Answer 600+ questions aligned with the 2026 SAT format. Track performance stats to identify strengths and weaknesses.
Learn to rewind or recoil electric motors through step-by-step instructions. Explore terminology related to windings, configurations, and components. Access diagrams and detailed explanations of insulators and insulation papers.
Provides construction information with over 1,500 illustrations, 100 guides on energy-efficient building, and 30 calculators. Users can access topics like construction safety, woodworking methods, concrete placement, and project planning.
Materials allows users to study materials such as steel, bricks, cement, and concrete. Users can view detailed explanations of each material's properties and applications. The includes topics on stones, covering materials, and floor materials.
Notebook allows saving notes, recipes, and other content with iCloud sync for iOS 13 and later. Dilution calculates required water volume to reduce alcohol strength.
Calculate hydraulic parameters such as capillary rise, viscosity, and hydrostatic pressure. Convert between metric and imperial units. Determine velocity head, specific energy head, and total energy. Assess head loss using the Bernoulli equation.
Study for the with 1,800+ practice questions, 600+ flashcards, and unlimited mock exams. Access the full 61-chapter curriculum. Track progress and review answers after each quiz. Prepare for 1030 (2024) certification.