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Make physics problems simple — from motion to energy and beyond.
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Ballistic Coefficient (BC) Calculator
Compute projectile drag and efficiency using BC models
Boiling Point at Altitude Calculator
Compute boiling temperature vs. altitude using Antoine or Clausius–Clapeyron
Cube Volume Calculator
Instant cube volume from edge or diagonal, with unit conversion.
Entropy Calculator
Calculate entropy changes for gases, heating, and phase changes
Gibbs’ Phase Rule Calculator
Calculate system degrees of freedom from components, phases, and reactions
Slope Percentage Calculator
Instantly convert slope %, angle (°), and ratio (1 in N)
Wavelength–Frequency–Energy Converter
Convert photon wavelength, frequency, and energy with steps and visuals