卡西欧fx-991CN X中文版函数科学计算器

评测依据

• review_count：52000
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• time_range：{"from":"2026-06-26 00:16:24","to":"2026-06-26 00:16:24"}
• intros：{"brand_intro":"卡西欧（Casio）成立于1946年，日本知名电子仪器制造商，以计算器、手表、电子乐器闻名。其科学计算器系列在全球教育市场占据主导地位，以高精度、耐用性和丰富功能著称，是学生和工程师的首选品牌之一。","product_intro":"fx-991CN X是卡西欧专为中国市场设计的旗舰级中文科学计算器，配备高清液晶显示屏，支持中文菜单显示。内置498种计算功能，涵盖微积分、矩阵、向量、复数、方程求解、统计回归等，满足高中至大学理工科课程需求。采用太阳能+纽扣电池双电源供电，续航持久。","key_specs":["显示：192×63点阵液晶，中文菜单","功能数：498种计算功能","电源：太阳能+LR44纽扣电池","尺寸：约165.5×77×11.1mm","重量：约95g","适用考试：全国高中数学联赛、高考、考研等"]}
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