Online Scientific and Engineering Resource

Electricity & Electronics

• Basic electrical terms:

  • voltage, current, ...

• Electronic components

  • resistor, capacitor, ...

• Electrical & electronic symbols

  • switch symbols, resistor symbols, capacitor symbols, transistor symbols

• Electrical & electronic units

  • dBm, decibel, ...

• Electronic circuit laws

Mathematics

• Numbers

  • percentage (%), per-mille (‰), parts-per million (ppm), e constant, ...

• Algebra

  • logarithm, natural logarithm, ...

• Probability & Statistics

  • expectation, normal distribution, ...

• Calculus & Analysis

  • Laplace transform, convolution, ...

• Math Symbols

  • Basic math symbols
  • Algebra symbols
  • Geometry symbols
  • Statistical symbols
  • Logic symbols
  • Set theory symbols
  • Calculus & analysis symbols
  • Number symbols
  • Greek alphabet symbols
  • Roman numerals

Online Calculators

• Math calculators

  • Online math calculator
  • Addition calculator
  • Subtraction calculator
  • Multiplication calculator
  • Division calculator
  • Exponents calculator
  • Root calculator
  • Log calculator
  • Ln calculator
  • Factorial calculator
  • Quadratic equation solver
  • Sine calculator
  • Cosine calculator
  • Tangent calculator
  • Arcsin calculator
  • Arccos calculator
  • Arctan calculator

• Electrical calculators

  • Ohm's law calculator
  • Voltage divider calculator
  • Amps to watts calculator
  • Amps to kW calculator
  • Amps to kVA calculator
  • Amps to Volts calculator
  • Watts to Amps calculator
  • Watts to Joules calculator
  • Watts to Volts calculator
  • kW to Amps calculator
  • kW to kWh calculator
  • Volts to Amps calculator
  • Volts to Watts calculator
  • Volts to Joules calculator
  • Joules to Watts calculator
  • Joules to Volts calculator
  • kWh to kW calculator
  • kVA to Amps calculator

Online Conversion

• Power conversion

  • Watts to dBm conversion
  • Watts to horsepower conversion
  • Watts to BTU/hr conversion
  • mW to dBm conversion
  • kW to BTU/hr conversion
  • dBm to mW conversion
  • dBm to watts conversion
  • Horsepower to watts conversion
  • BTU/hr to watts conversion
  • BTU/hr to kW conversion

• Energy conversion

  • Joules to kJ conversion
  • Joules to Calories conversion
  • kJ to Joules conversion
  • kJ to BTU conversion
  • BTU to kJ conversion
  • BTU to kWh conversion
  • kWh to BTU conversion
  • Calories to Joules conversion

• Number conversion

  • Decimal to Fraction converter
  • Decimal to Percent converter
  • Decimal to Binary converter
  • Decimal to Octal converter
  • Decimal to Hex converter
  • Percent to Decimal converter
  • Percent to Fraction converter
  • Percent to ppm converter
  • Fraction to Decimal converter
  • Fraction to Percent converter
  • Binary to Decimal converter
  • Binary to Hex converter
  • Hex to Binary conversion
  • Hex to Decimal conversion

• Electrical conversion / calculation

  • Amps to Watts calculation
  • Amps to kW calculation
  • Amps to kVA calculation
  • Amps to Volts calculation
  • Watts to Amps calculation
  • Watts to Joules calculation
  • Watts to Volts calculation
  • kW to Amps calculation
  • kW to kWh calculation
  • Volts to Amps calculation
  • Volts to Joules calculation
  • Volts to Watts calculation
  • Joules to Watts calculation
  • Joules to Volts calculation
  • kWh to kW calculation
  • kVA to Amps calculation

Programming

• RGB color codes
• Practical programming tips

Web Design

• Color picker tool
• Web color
• Yellow color
• Gold color