This is a calculator I used in high school for about two years. It's a set including the calculator and the accompanying navy blue soft case. Calculator body - has sticker residue on the back (see image 3) Case - has some fraying ☆ There are no issues with the operation. ・Calculator type: Business calculator ・Original price: Approximately 14,000 yen ・Brand: CASIO ・Model: AZ-26S ・Function: ECO BATTERY ・Included items: Dedicated soft cloth case ・Back design: With 4 non-slip pads