This (free) educational project has been created by Laurin Gschnitzer (15 years of age).
MathematicsCalculus

L'Hôpital's Rule

lim f/g = lim f'/g'

Evaluates 0/0 or ∞/∞ limits by differentiating numerator and denominator.

More detailed explanations, examples and illustrations for this entry are coming soon.