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求百min比、占比、增长率三类常用百min比Calculer，Entrée即出Résultat
Convert units across 7 categories: length, weight, temperature, area, volume, speed, data
房贷Equal payment / Equal principal两种还款方式对比，months供利息一目了然
Real-time exchange rates for 30+ currencies from ECB and open APIs
Calculer身体Qualité指数，给出中国Standard体重Catégories与健康体重范围
Supports四则运算、括号、百Point-virgule的网pagesCalculer器，可用键盘Opération
精确Calculerweeksyears old（yearsmonths日）、距下一uniqueAnniversairedays数、Zodiac与Chinese Zodiac
二、八、十、十六及 2~36 任意Base互转，基于 BigInt Supports大数
Calculer两unique日期相差days数，ouFrom某日期增减 N days得To新日期