Control beams to solve puzzles through reflection, refraction, and dispersion. Use lasers, lenses, mirrors, prisms, portals, and black holes. Adjust beam curvature and color. Complete challenging levels with physics-based interactions.
Calculate standard deviation, probable error, and error of the mean for surveying and civil measurements. Switch between imperial and metric units. Perform calculations for series of observations and single or combined accidental errors.
Calculate dimensions, convert units, and perform angle and rafter measurements. Estimate material quantities and layout stairs. Input measurements for precise calculations. Save and reuse formulas for repeated tasks.
Access formulas, glossary, and grade 12 lesson content. Answer questions and review explanations. Track study progress with built-in quizzes and flashcards.
Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.
Calculate percentage and jam probability based on NEC standards. Input type, size, and conductor details. View percentages and determine appropriate sizes for electrical installations.
Convert units across 70+ categories and 1450+ units with real-time accuracy. Adjust settings for preferred units. Navigate through a user-friendly interface to perform quick and precise conversions.
Solve triangles with two modes. Regular triangle mode allows input of 2 sides and an angle, 2 angles and a side, or 3 sides. Right triangle mode accepts 2 sides or a side and an angle. Calculates missing values based on input.
Tools for professionals include real-time analysis with SPL display, tone and noise generation, wavelength calculation, UHF frequency reference, antenna line loss assessment, microphone gain calculation, and recording/playback of test signals.
Create a profile to apply for security jobs locally. Take mock exams for SIA qualifications like Door Supervisor and Security Guard. Practice with realistic timed questions and track progress.