卡西欧科学计算器 FX-991CN X

评测依据

• review_count：58000
• rating_avg：4.8
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• dimension：best_value
• sources：["京东","天猫","拼多多"]
• time_range：{"from":"2026-06-26 00:16:38","to":"2026-06-26 00:16:38"}
• 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、电子琴等产品闻名全球。其科学计算器系列凭借高精度、稳定性和丰富功能，长期占据中国教育市场主导地位，是初高中生及大学生的首选品牌，被誉为\"考试神器\"。","product_intro":"FX-991CN X是卡西欧面向中国教育市场推出的旗舰级科学计算器，支持中文菜单显示，内置498种计算功能，涵盖微积分、矩阵、复数、方程求解、统计回归等。采用太阳能+纽扣电池双电源供电，适合高考、考研、注册工程师等专业考试场景。","key_specs":["显示：192×63点阵液晶屏，中文菜单","功能数：498种计算功能","电源：太阳能+LR44纽扣电池双供电","适用考试：全国高考、研究生考试、注册工程师考试","尺寸：约165×85×20mm","重量：约95g"]}
• alt_products：[{"product_name":"卡西欧科学计算器 FX-991CN X","brand":"卡西欧（CASIO）","model":"FX-991CN X","price":168},{"product_name":"德州仪器科学计算器 TI-36X Pro","brand":"德州仪器（Texas Instruments）","model":"TI-36X Pro","price":299}]
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• scoring_breakdown：[{"source":"word_of_mouth","score":94.1,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其功能全面且操作直观，中文菜单大幅降低学习成本。在考研和高考群体中口碑极佳，计算精度高、响应速度快。部分用户反馈按键手感偏硬，但整体耐用性出色。京东好评率长期维持在98%以上，是科学计算器品类中的销量冠军。","source_count":3}},{"source":"objective","score":86.28374371859296,"weight":0.4,"confidence":0.5,"details":{"rating_avg":4.8,"price":168,"wom_score":94.1}},{"source":"user_review","score":96,"weight":0.3,"confidence":1,"details":{"rating_avg":4.8,"review_count":58000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"考研数学用这款，矩阵和微积分一步到位。\"——B站UP主@考研数学李老师","\"中文界面太友好了，高中生也能快速上手。\"——知乎答主@计算器达人"]}}]
• method_version：v2
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