This model is based on the SL-800, the world's thinnest calculator released by Casio in 1983. The ``SL-800'' is a credit card-sized calculator with memory that is only 0.8 mm thick and weighs 12 grams. This is a nostalgic model that uses the black and gold base color and colors used for the numbers of the SL-800 throughout the popular ``A168'' for its classic design.
- SL-800 An 8-digit calculator with memory that is the size of a credit card (85 x 54 mm), only 0.8 mm thick, and weighs 12 grams. It is said that advances in electronic technology have ushered in an era of ``light, thin, short, and small'' products, and the SL-800 is the culmination of this. This product was the basis for Casio to establish cutting-edge high-density packaging technology. As a product that has achieved the ultimate in miniaturization and thinning of calculators, it was registered as an Important Science and Technology History Material (Future Technology Heritage) sponsored by the National Museum of Nature and Science in 2013.
・ Waterproof function for daily life
・ Stopwatch (1/100 second, 60 minute meter, with split)
・Time alarm/time signal/auto calendar (February 28th system)
・12/24 hour display switching ・EL backlight ・Battery life approximately 7 years

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