StoichioAI vs Calcable

化學計量AI 是給中學化學科使用的練習 App。學生閱讀課題、在白板上作答提交，由 AI 批改，並在答錯時以提問引導改正。教師可建立自己的組別，查看該組的弱項、常犯錯誤與個別學生進度，並取得學習建議。 登入需使用已開放學校的電郵。 功能 • 課題教學與練習，涵蓋計量、溶液、反應速率、化學平衡與能量變化等 • 白板手寫提交答案 • AI 批改與引導式回饋 • 學習進度、積分與作答紀錄 • 教師組別管理、個別學生檢視與 AI 學習建議 適合中學化學科學生與教師。

Before exams, formulas alone aren’t enough — calculator muscle memory matters. Calcable helps you practice DSE-style scientific calculator operations on your phone so you make fewer miskeys under pressure. **What Calcable offers:** • Practice with two common scientific calculator interfaces (fx-50FH II / fx-3650P II style) • Keys, LCD, Replay, and mode switching that feel close to real devices • DSE operation tips, Learning Center, and calculation history for short daily drills • Scientific calculation, PRGM practice, unit conversion, and retro graphing in one app **Why download:** • Switch models instantly from the top-left control • COMP, SD, REG, BASE, CMPLX, and PRGM modes • Trigonometry, logs, exponents, roots, factorials, nPr / nCr • Fractions, complex numbers, statistics, base conversion, and programming • 40 scientific constants and 23 built-in formulas • Ans memory, Multi-replay, and calculation history **Optional purchases:** • Optional Student and Lifetime Master unlocks for advanced tools If you want exam-ready scientific calculator practice or a powerful everyday calculator, Calcable is built for you.