The Ansys Science Calculator suite provides free online calculators to assist the scientific community.  For the full listing, click on the LIBRARY link above to the right.

A small sample includes the following:

• Mathematics
  • Vector Calculator: 3D vector functions useful in satellite position calculations.
  • Statistics Calculator: College level statistics functions.
  • Quaternion Calculator: Quaternion math functions useful in satellite attitude calculations.
  • Matrix Calculator: Matrix operations
  • Scientific Calculator: Unit conversions, trigonometry and hyperbolic functions.
• Physics
  • Simple Machine Calculator: Functions for Levers, Belts, Pulleys and Gears.
  • Energy Calculator: Kinetic, Potential, Relativistic, Binding Energy and Molecular.
  • Ohm's Law Calculator: Computes power(watts), potential (volts), resistance (ohms) and current (amps) based on the three variants of Ohm's Law.  
• Astro (Astronomy and Space Sciences)
  • Astronomy Calculator: Functions for Kepler's laws, the Small Angle Formula, telescope formulas, and formulas for flux and magnitudes, planetary and stellar mass, wavelengths and luminosity.
  • Exoplanet Calculator: Functions and data useful in the study, characterization and measurement of exoplanets.
  • Astronomy Units: Information and data related to the distance, mass and time units uniquely used in astronomy and the aerospace industry.
  • Optics and Imagery Calculator: Functions associated with optical systems and imagery products. 
• General Chemistry
  • R - Gas Constant: 8.3144626181532 J/(K⋅mol)
  • Boyle's Law Calculator:  P₁ • V₁ = P₂ • V₂
  • Charles Law Calculator: V₁• T₂ = V₂ • T₁
  • Combined Gas Law Calculator:   P•V / T= k
  • Gay-Lussac Law:  T₁•P₂ =T₂•P₁ 
  • Ideal Gas Law: P•V = n•R•T
  • Bragg's Law:   n·λ = 2d·sinθ
• Meteorology and Weather
  • Meteorology Calculator