Final answer:
An exponential function calculator is a tool used to calculate exponential functions. It can evaluate exponential expressions and solve equations involving exponential functions.
Step-by-step explanation:
An exponential function calculator is a tool used to calculate exponential functions. Exponential functions are functions in which the variable is in the exponent. The calculator can be used to evaluate exponential expressions and solve equations involving exponential functions. For example, if you need to calculate 2 to the power of 5, you can use the exponential function calculator to find that it equals 32.