This French-talking LCD calculator repeats numbers back to you and tells you the calculations. Has arithmetic operations, automatic constant calculations for four functions- add, subtract, multiply and divide. Percentage and power calculations. 4-speed selections. Adjustable volume and volume off option. Chime notice at power on and off. Auto power off after 8 minutes and 30 seconds. Uses 2 AA batteries (not included). Measures 7 3/4 x 3 1/3 in. Includes instructions in French.