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Build and simulate electronic circuits, explore thousands of community circuits!
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Build and simulate relay logic and control systems.
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Learn electronic circuits by solving circuit puzzles.
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Complete circuit calculator: resistor color codes, SMD codes & engineering tools
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Basic electrical calculations on your mobile phone.
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Master Electrical Wiring - Anytime, Anywhere
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Electronics toolbox with circuit calculators, IC pinouts and SMD codes
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Calculator for students and hobbyists in Electronics & Electrical Engineering.
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The Best App on the Basics of Operating system, learn a topic in a minute
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Offline database of transistors, thyristors, diodes etc.
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Easily draw single-line electrical diagrams
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The utility application for the hobbyist or professional
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Want to review chemical Named Reactions, their mechanism and concrete examples?
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Radio frequency inductors and chokes calculator
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Only available in English.
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All-in-One Electrical Engineering Learning App: Concepts, Tools & Fun Games.
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VoltLab — interactive electricity & circuits: simulations, lessons, tests.
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Electronics in a nutshell
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Free offline eBook, Notes, Quiz and videos for Electronic & Electrical Engineers
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Complete Free handbook of Engineering mathematics with diagrams and graphs.