# Factorials, Permutations, and Combinations on the TI-84

This video explains how to evaluate factorials, permutations, and combinations on the TI-84 graphing calculator.

# Find Initial Amount and Amount After Time From Half-Life (y=ae^(kt))

This video explains how to use half-life to determine an initial amount and an amount after time t.

# TI-84: Comparing Radical Form and Rational Exponent Form

This video explains how to convert between radical and rational exponent form and then evaluate both forms on the TI-84.

# Evaluating Products Raised to Powers (a^2*a^3)^2 and (a^2*b^2)^2

This video explains how to evaluate an expression involving a product with exponents raised to a power.

# Order of Operations (Integers): [a-(b-c)^2]/(d^2+e^2)

Use the order of operations to simplify a numerical expression using integers.

# Order of Operations (Integers): a[-b+(-c)(-d*e-(-f))]

Use the order of operations to simplify a numerical expression using integers.

# Order of Operations (Integers): a+(-b)/c+(-d)(-e)^2

Use the order of operations to simplify a numerical expression using integers.