卡西欧FX-991CN X中文版函数科学计算器

评测依据

• review_count：52000
• rating_avg：4.8
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• sources：["京东","天猫","拼多多"]
• time_range：{"from":"2026-06-26 00:16:31","to":"2026-06-26 00:16:31"}
• 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、手表、电子乐器等产品闻名全球。其科学计算器系列在工程、教育领域占据主导地位，凭借高精度、耐用性和丰富功能，成为学生、工程师及财务人员的首选品牌之一。","product_intro":"FX-991CN X是卡西欧专为中国市场打造的中文版函数计算器，支持分数计算、复数、矩阵、统计、方程求解等498种功能。配备高清液晶显示屏，按键手感舒适，支持自然书写显示，可直观输入分数、根式等表达式。内置太阳能与纽扣电池双电源，续航持久，适合中考、高考及大学理工科使用。","key_specs":["显示方式：自然书写显示（分数、根式、对数等）","功能数量：498种计算功能","电源：太阳能+纽扣电池LR44双电源","尺寸：约165×82×17mm","重量：约95g","适用考试：全国中考、高考、大学理工科考试允许使用"]}
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