Online Scientific and Engineering Resource

Electricity & Electronics

• Basic electrical terms:

  • Voltage, Current, ...

• Electronic components

  • Resistor, Capacitor, ...

• Electrical & electronic symbols

  • Switch symbols, Capacitor symbols, Diode symbols, Transistor symbols

• Electrical & electronic units

• Electronic circuit laws

Mathematics

• Numbers

  • 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
  • Set theory symbols, Calculus & analysis symbols, Greek alphabet symbols

Online Calculators

• Math calculators

  • Online math calculator
  • Exponents calculator
  • Percentage calculator
  • Log calculator
  • Ln calculator
  • Sine calculator
  • Cosine calculator
  • Tangent calculator
  • Arcsin calculator
  • Arccos calculator
  • Arctan calculator

• Electrical calculators

  • Ohm's law calculator
  • Voltage divider calculator
  • Amps to kW calculator
  • Amps to kVA calculator
  • kW to Amps 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 BTU conversion
  • Joules to Calories conversion
  • kJ to Joules conversion
  • kJ to BTU conversion
  • BTU to kJ conversion
  • BTU to Joules conversion
  • BTU to kWh conversion
  • kWh to BTU conversion
  • Calories to Joules conversion
  • Calories to kcal conversion
  • kcal to calories 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

Online Tools

• Online EMDR tool

Programming

• Practical programming tips

Web Design

• RGB color space
• RGB color chart
• RGB color table
• RGB color picker
• Web color codes
• Web safe colors
• Yellow color
• Gold color