"計算機" "." "deg" "rad" "clr" "del" "尤拉數" "圓周率符號" "點" "左括弧" "右括弧" "餘弦函數" "自然對數" "對數" "正弦函數" "正切函數" "反餘弦函數" "反正弦函數" "反正切函數" "10 的次方" "指數函數" "平方" "加號" "除號" "階乘" "乘號" "百分比符號" "指數" "平方根號" "減號" "角度模式" "弧度模式" "切換成角度" "切換成弧度" "等於" "清除" "刪除" "顯示反函數" "隱藏反函數" "非數字" "運算式無效" "已中止" "無限值？" "除數不得為零" "文字已複製" "已取消計算" "已經逾時。您可能使用無限值或未定義的值。" "使用較長的逾時期限" "關閉" "(精確)" "(最後一位數字 ±1)" "在結果中顯示前導數" "以分數顯示結果" "開放原始碼授權"