[. . . ] Press twice to clear any residual values and calculation instructions in the calculator. Before starting memory calculations, press twice to clear the memory contents. [. . . ] 63 g (pila incluida, estuche tipo billetera no incluida) Pila de manganeso alcalino (instalada), manual de manejo, estuche tipo billetera (se incluyen con la calculadora) displayed with the "=" symbol is 4 *3 digits or less, press to convert the decimal part to an n/32 fraction. The fraction displayed with the "=" symbol is converted to the original decimal number by pressing . There may be a slight error in conversion results due to the rounding off of numbers. However, the conversion rate may change because of battery replacement or consumption, etc. It means that used electrical and electronic products should not be mixed with general household waste. In the European Union Attention: If you want to dispose of this equipment, please do not use the ordinary dust bin!Used electrical and electronic equipment must be treated separately and in accordance with legislation that requires proper treatment, recovery and recycling of used electrical and electronic equipment. Following the implementation by member states, private households within the EU states may return their used electrical and electronic equipment to designated collection facilities free of charge*. In some countries* your local retailer may also take back your old product free of charge if you purchase a similar new one. If your used electrical or electronic equipment has batteries or accumulators, please dispose of these separately beforehand according to local requirements. By disposing of this product correctly you will help ensure that the waste undergoes the necessary treatment, recovery and recycling and thus prevent potential negative effects on the environment and human health which could otherwise arise due to inappropriate waste handling. In other Countries outside the EU If you wish to discard this product, please contact your local authorities and ask for the correct method of disposal. [. . . ] This equipment complies with the requirements of Directive 89/336/EEC as amended by 93/68/EEC. If the result of a calculation or conversion exceeds any one of the above digit limitations, the converted decimal value is displayed instead. [. . . ]