This tape calculator allows you to save and print all calculations, and you can obtain the capitalized interest for installment plans, rule of three and capitalized amounts. It also calculates dates and times. Enter the installment amount to retrieve interest rates. Note: this software make calculations by clipboard and all results is then stored automatically in the clipboard. New feature: Sound when typing (128 sound options). It is very simple and easy to use. Language (idioms) available: ENGLISH, PORTUGUESE and SPANISH.