你初中用的计算器，现在还在乱杀。

美编：萱萱

Casio

数学课程标准

普通高中数学教学装备配置标准

cnCalc 计算器论坛

IT 之家 – 谁还在用计算器？卡西欧一年卖 3900 万台

哔哩哔哩 – fx82es B版永久升级

Hackday.io – Casio fx-ES PLUS Reverse Engineering Project

The Institute of Education Sciences

Reddit – r/BuyItForLife 、r/PokemonPrism

France24 – Number’s up: Calculators hold out against AI

TechSpot – In the age of AI and chatbots, Casio is still selling millions of calculators

Internet Archive – Texas Instruments TI82 Calculator Emulation