# Evaluate Logarithms of any Base on the TI-84 (Not using Change of Base)

This video explains how to evaluate a logarithm of any base using the logarithms tool on the TI-84.

# Determine an Exponential Function on the TI-84 Given Two Points (Decay)

This video explains how to perform exponential regression on the ti84 to determine an exponential function given two points.

# Determine an Exponential Function on the TI-84 Given Two Points (Growth)

This video explains how to perform exponential regression on the ti84 to determine an exponential function given two points.

# Determine an Exponential Decay Function P(t)=a(b)^t (No Logs)

This video explains how to determine an exponential decay from from given information.

# 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.

# Write Exponential Equations Given Initial Values and Growth or Decay Rate

This video explains how to write exponential equations given the initial value and the percent of change.

# Introduction to Exponential Equations in Two Variables

This video introduces linear equations in the form y=a(b)^x.