#2492: Commonly Mispronounced Equations

[Each equation is bordered, with a pronunciation guide beneath.]

Commonly Mispronounced Equations

Row 1

F = G m₁m₂/r²
FUH-JAM-ER

E = mc²
EM-CAH-TOO

a² + b² = c²
AT-BOOT-COOT

Row 2

A = πr²
APP-ER-TOO

H = −Σpᵢlog pᵢ
HA-SPLOG-PEE

PV = nrt
PAV-NURT

Row 3

e^iπ = −1
EYE-PIN

F = ma
FEE-MAH

∂²u/(∂t²) = c ∂²u/(∂x²)
DOOT CAH-DOOX

Row 4

f'(x) = lim_h→0 f(x+h) − f(x) / h
FAX-LIM-OH FAX-UH-FOX

x = −b ± √(b² − 4ac) / (2a)
ZA-BO-BA FAK-TOH-AH