The word symptom is described as an early warning signal or an indicator of an impending problem most commonly used with medical terminology.

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The ultimate 8051/52 Development system at a very affordable price. This fully integrated system includes Micro-IDE Integrated Development Environment...

Learn Electronics Part One is on introduction to interactive learning, the fun way to learn Basic Electonics. This is the first lesson in a thirteen p...

Learn Electronics resistor color code exercise. An easy way to practice resistor color code recognition. Ideal for students, teachers and hobbyists. ...

QVert is a quick and easy to use unit converter tool for Windows based operating systems. QVert supports most common and many not so common units of m...

* Drills Chemical Elements and Symbols * Choose from 118 chemical elements and their symbols * Choose atoms individually or by Groups * Create a Us...

Element Gorilla has 33 chemical elements and their symbols. It randomly grills (hence Gorilla) you on elements or symbols with 3 different question ty...

Organic Chemistry drills students by presenting problems on products of reactions, reactants required for a reaction, naming of organic compounds, str...