Calculate and engineering parameters with 134 formulas. Input values to compute force, friction, acceleration, work, power, and more. Access definitions and formulas for each calculation. First 5 calculators are free; others require in- purchase.
Allows users to create chemical process models using a touch-enabled PFD drawing interface. It supports offline operation and performs VLE/VLLE/SVLE/SVLLE calculations with equation of state and activity coefficient methods.
Solve equations by moving matches to correct the equation. Complete 600 levels designed to improve skills and logical thinking. Features include varying difficulty levels and brain-stimulating puzzles.
Explore the diagram to understand the equation-of-time. View animated graphics showing the sun's position throughout the year. Adjust settings to customize the display and save or share the visual representation.
Math problems with personalized hints and instant feedback. Track progress through quizzes and targeted exercises. Strengthen foundational skills and prepare for exams with structured sessions.
Electrohelper allows users to access references for electronic components and circuits. It includes tools for calculating various filters like Butterworth, Sallen-Key, Chebychev, and Bessel. Users can view component details and circuit diagrams.
Solve 17 random problems to improve skills. Use a virtual voltmeter to test circuits. View animated motor starter diagrams for forward and reverse operations. Switch between control schematics instantly.
Calculate areas, solve trigonometry, and complete homework
Complete homework tasks with offline access and tools. Calculate areas and use basic and trigonometry calculators. Convert units and solve first- and second-degree equations. Additional features will be added soon.
Memorize of pi using color and musical notes for enhanced recall. View numbers in chunks with customizable pages and lines. Compete on leaderboards and earn achievements. Practice daily for improved retention.
Explore electromagnetic induction with 3D simulations
Explore electromagnetic induction with interactive 3D simulations. Rotate and zoom to visualize how moving magnets induce current in coils. Follow Faraday’s and Lenz’s laws through dynamic animations.
Study for exams with practice questions, detailed explanations, and NEC code references. Track progress with personalized stats. Practice for Journeyman, Master Electrician, or Contractor exams.
Create scatterplots and fit simple or multiple linear, logistic, or exponential models. Display standard errors, confidence intervals, and P-values for model parameters. Include categorical predictors and two-way interactions.