Learn mechanics with detailed guides on building doors, traps, and farms. Explore in-depth descriptions of items and circuit layouts. Access wiring techniques and accompanying images to craft contraptions across editions.
Perform calculations and unit conversions with over 120 formulas. Save and retrieve calculation results. Add frequently used calculators to a favorites list. Email calculation inputs and outputs. Search for specific calculations or references.
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Learn about space missions and astronauts
Learn about astronauts, their missions, and time in space. Track current space occupants and receive notifications for new space travelers. Access detailed planetary data including physical and orbital characteristics.
Calculate wire pull characteristics and generate NEC®
The includes multiple calculators for electrical wire pull calculations. Users can input parameters for voltage drop, ground wire sizing, ampacity adjustments, and phase wire attributes. Results are generated according to NEC® standards.
Access expert-led training content in HVAC, Solar, Plumbing, Electric, and Facilities Maintenance. Complete on-demand assessments and knowledge checks to evaluate skills and identify improvement areas.
Concepts through tutorials, formulas, and quizzes. Calculate variables using a smart formula solver. Access 4 tutorials for free or upgrade to unlock 11 additional tutorials. Track progress with built-in quizzes and formula references.
Search shapes by standards including European, British, American (AISC), and Canadian (CISC). View geometrical properties and full descriptions for each shape. Filter and locate shapes using multiple search criteria.
Access for geometry, algebra, trigonometry, equations, analytic geometry, differentiation, integration, matrices, probability, and statistics. Includes units conversion and math tricks. Perform calculations and look up for students and professionals.