# Find the Sum of an Infinite Series Using a Known Power Series (sin(x))

This video explains how to determine an infinite sum using a known power series.

# Find the Sum of an Infinite Series Using a Known Power Series (e^x)

This video explains how to determine an infinite sum using a known power series.

# Multiply A Decimal by 10 and 100: Wage Application

The video explains the shortcut of moving the decimal point when multiplying by a power of 10.

# Multiply Decimals by 10, 100, and 1000

The video explains the shortcut of moving the decimal point when multiplying by a power of 10.

# Estimate a Definite Integral using a Power Series (Rational Function)

This video explains how to evaluate a definite integral using a power series.  The result is used to estimate pi.

# Euler’s Identity (Equation)

This video given Euler’s identity, reviews how to derive Euler’s formula using known power series, and then verifies Euler’s identity with Euler’s formula.

# Proof – The Derivative of f(x) = e^x: d/dx[e^x]=e^x (Limit Definition)

This video proves the derivative of the f(x) = e^x using the limit definition.