🔬 STEM Tools & References
Unit converter, scientific calculator, periodic table, and formula sheets
📐 Unit Converter
🔢 Scientific Calculator
⚗️ Periodic Table Quick Reference
NonmetalNoble gasAlkali metalAlkaline earthMetalloidHalogenTransition metalPost-transitionActinide
📐 Formula Reference Sheet
Newton's 2nd Law
F = ma
F=Force(N), m=mass(kg), a=acceleration(m/s²)
Kinetic Energy
KE = ½mv²
m=mass, v=velocity
Gravitational PE
PE = mgh
g=9.8 m/s², h=height(m)
Ohm's Law
V = IR
V=Voltage(V), I=Current(A), R=Resistance(Ω)
Wave Speed
v = fλ
f=frequency(Hz), λ=wavelength(m)
Einstein Mass-Energy
E = mc²
c=3×10⁸ m/s