卡西欧 fx-991CN X 中文版函数科学计算器

评测依据

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• rating_avg：4.8
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• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 02:59:41","to":"2026-06-26 02:59:41"}
• intros：{"brand_intro":"卡西欧（CASIO）创立于1946年，日本知名电子仪器制造商。以计算器、电子琴、手表等产品闻名全球。其科学计算器系列凭借高精度、稳定性和耐用性，长期占据中国教育市场主导地位，是初高中及大学生数学、物理考试的标配工具。","product_intro":"fx-991CN X是卡西欧专为中国市场打造的中文菜单函数计算器，支持分数、微积分、矩阵、向量、统计回归等498种功能。采用高清液晶显示屏，具备太阳能+纽扣电池双电源系统，续航持久。符合中国考试要求，是高考、考研、注册工程师考试的热门机型。","key_specs":["显示：192×63点阵液晶","功能数：498种","电源：太阳能+LR44纽扣电池","内存：可存储9个变量","尺寸：约165.5×77×13.4mm","重量：约95g"]}
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