These are 12 review cards on finding limits, derivatives and integrals. Each card contains 3 challenging problems – one on evaluating limits using L'Hospital's Rule (included the following indeterminate forms - 0/0, infinity / infinity, infinity minus infinity, zero ⨯ infinity, zero^zero and infinity^zero), one problem on finding dy/dx (included logarithmic and implicit differentiation) and one problem on evaluating indefinite or definite integrals (included integrals of trig functions, integ