"計算機" "錯誤" "0" "1" "2" "3" "4" "5" "6" "7" "8" "9" "DEL" "清除" "sin" "cos" "tan" "e" "ln" "log" "(" ")" "基本面板" "進階面板" "清除紀錄" "文字已複製。" "左括弧" "右括弧" "階乘" "自然對數" "對數" "平方根號" "除號" "乘號" "加號" "減號" "點" "指數" "刪除" "清除" "正切函數" "正弦函數" "餘弦函數" "尤拉數" "圓周率符號" "等於" "左括弧" "右括弧" "階乘" "自然對數" "對數" "平方根號" "除以" "乘以" "加" "減" " 點 " "指數" "正切函數" "正弦函數" "餘弦函數" "圓周率" "等於"