CASIO fx-991WA 115WA计算器 User Guide说明书用户手册.PDF-原创...
CASIOfx-991WA115WA计算器UserGuide说明书用户手册用户手册产品说明书使用说明文档安装使用手册 fx-115WA fx-991WA User’s Guide E Removing and Replacing the Calculator’s Cover • To Remove the cover Grasp the top of the cover, and slide the unit out from the bottom. • To Replace the ...