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EngTools is a useful calculation and reference tool for anyone interested or within the Electrical & Electronic Engineering field (professional or hobbyist). It provides an easy to use and navigate interface for the most common calculations and reference material needed when designing circuits.

★ EngTools v2.0 ★ contains the following functionality:

Resistor Colour Code Calculator (6, 5, 4 and 3 Bar Colour Code) - User input function added.
Capacitor Number Code

Digital Electronics
Base Number Converter (Decimal, Binary, Hexadecimal)
Logical Operators (OR, NOR, AND, NAND, XOR AND XNOR)

Equations and Laws
Ohm's Law
Resistive Voltage Divider
Voltage Regulator (Based on LM317 and LM338 device)
555 Timer (Astable and Monostable circuits)
Operational Amplifiers (Inverting and Non-Inverting circuits)
Frequency Converter
Light Emitting Diode Resistor Calculator
Series/Parallel Laws

Kirchhoff's Circuit Laws (KVL and KCL)
SI Units
Greek Alphabet (Symbols for reference)
Series/Parallel Laws
Fundamental Constants