This calculator focuses on time value of money calculations. It stores the interest rate as a periodic rate, ("i%" key instead of "I/YR" key).

It is similar to the HP-12C TVM calculator.

See the Time Value of Money Examples for additional information on this calculator.

This calculator will no longer be included as a download. It has been replaced by the

Time Value of Money with Odd Periods and Compound Interest Calculator and

Time Value of Money with Odd Periods and Simple Interest Calculator that provide the same features but also calculate odd periods.

Also see Time Value of Money Compound Interest Formulas for more information on the different formulas used for fractional number of periods.

For the shift keys:

Using the "long press" gesture will display a hint about any key. (Video: Displaying a hint) You can inspect the Key Details to see the formulas and functions for any key.

Percentage Change and Percent of Total Keys

Calculation Methods Used by CALC 1

Also see

Storing and Recalling Numbers.