科学计算器键盘由三种内容的键盘组成, 您可以通过选择所需的键盘进行切换. [br][br]第二个键盘是 [img width=26,height=21]https://lh4.googleusercontent.com/5uATsIVsJUlThefQMJVvJY8t8sL6ODnn8_kVo_rvlZ2ovlksv1LvXujEnHNMwnHBhZNDPqROjNhBGloiL2XUnzNeVXsbDrpBNPdePv9U5Ge938Iel_occTQXtza2mgiUV6A33e6E[/img] 键盘. 在这里, 您可以选择数学函数按键和统计按键.

[table][tr][td][img width=113,height=30]https://lh3.googleusercontent.com/tCn_GwktyFmeBz9e0neIhNTEFY72SAMXq8XpAmfrBk8ooOE7rVVk5BcbZ1LW-rxzgkAv3miZwceB5wJVkiaVtaAVHtBqpMtQPqh_JhjqviE5QRnhRzkF7L70USKetl7WbzE7Kjta[/img][/td][td]以度, 分, 秒形式输入角度, 并以十进制返回 (例如 15°20'12'' = 15.33667°)[/td][/tr][tr][td][img width=117,height=30]https://lh4.googleusercontent.com/ri5v1NmWXBF04_KVpPiQsViobCGypcKOpyuybs7novzel50Pz4RLqu3zV5HybVamNl54IEg1zVx-8Fs7BMJBOrVobgEf3Ziq2Laeg1SwNwYuSOKoIyLTUP9pb2rYylhuRyUikjjN[/img][/td][td]反三角函数[/td][/tr][tr][td][img width=90,height=35]https://lh5.googleusercontent.com/X71nYnFpRNATSZ1hIdTtcBKXAxCQgZpb1pBUQG3O0UEI8fhItJMZ8m4L5XQpq6hasLw5sTbSDszx_jccNbYadv8V8aMuoJJnRd3-jGRZfWtGKWqKFc1mXAog2irPZIkT-lDLtHqW[/img][/td][td]以 e 或 10 为底的幂[/td][/tr][tr][td][img width=42,height=31]https://lh4.googleusercontent.com/wh7N45b4BE4Gh-mjL47VJ1VVUu4wJ31wYlWqF6Z_LMYCQl33hxxtMSZ3-ikUyEPIT0QaKOs7FeTxQA7Ak2JfC34xKLgSiP2_uzEhFHFIie8TzdKYM4xoduci3P5v7BnCrhiyerZb[/img][/td][td]计算数字的方根数[/td][/tr][tr][td][img width=38,height=27]https://lh6.googleusercontent.com/Gy0F79Rv8abWlhxkPeeMnqvOseZ6_5gJL3NxXWd9HZrrP9w7WUQCapLe3zYVl8DpR3ce2iWoD4Omv-dAMfBF5VSp13frQcomSWJ2N59l3YCRUMEH7ofiE6A1757KmjxE0l7X4sG1[/img][br][/td][td]返回 0 到 1 之间的随机数 (例如 random() = 0.8607)[/td][/tr][tr][td][/td][td][/td][/tr][tr][td][img width=43,height=30]https://lh6.googleusercontent.com/usX31tGmgpEt1JAQKmVQqEt3cRiBSamkJ2bxMun38xVwmEauw3w7X7BXKrjLL0zT5mIHxNzKe57J6PM72tf0oUEM_j6JMgsT_EHwZdz-bhirpFE5gtUiMoRPpBJs8rpsm6MpESTI[/img][/td][td]元素的算术平均数 (例如 mean(1, 2, 3, 4, 5, 6) = 3.5)[/td][/tr][tr][td][img width=40,height=29]https://lh3.googleusercontent.com/0HFMJFeVcxKMP5ecTIqo1U8Q02lcxlTiaxYeSLetmPwiwqL2B0uGtizVhzpOHu2WQFVGkUnNranYRcfJdy1tV8dABusZYEz_QlX6jd9fmmb8cH8AZOru80hWujyUHZEmqMwh1ces[/img][/td][td]样本标准差 (例如 stdev(1, 2, 3) = 1)[/td][/tr][tr][td][img width=42,height=30]https://lh5.googleusercontent.com/EjHX9yemC1f3e8bpqBrbHOzOAt5ClQ3yg6KVJCJAJK4iiqPXuUGky-qF0CwUSfrVd25eHYN2zV8fTEa6KS-Z7oFNxi98DNHGFbl9KGRxY5TQYq8NZZk_keQtwH42qzo3XP8JupUC[/img][/td][td]总体标准差 (例如 stdevp(1, 2, 3) = 0.8165)[/td][/tr][tr][td][img width=36,height=25]https://lh3.googleusercontent.com/9c3YlLJKJHgnKiSAaL5luHAqquQG1yRaZI62IbTfDK6EIx6ieYLJQ0GktJ4qaV26RWH56YhIZubWhrx_xBb8jywcgk-Y8vT05okY3Pr2i_lU0O5SakNmVv0gCulXIQ4qAW1_ij-_[/img][/td][td]从 n 个元素中不重复地选出 r 个元素的排列数 (例如 nPr(10, 2))[/td][/tr][/table][table][tr][td][img width=41,height=28]https://lh5.googleusercontent.com/r-FKx9lxuSh3JLMDOEvKsT2vRz8KqsVPNi7l5aB9g4dpsYa9vMSEM6jnY2IUBNjhjkhcsnJegW9FL6E9Z3JbG3etuoaIWfcX8mjrzysV64KppSkr-SHGJ9LuJm_FaQzDGAL56Qrg[/img] [/td][td] 从 n 个元素中不重复地选出 r 个元素的排列数 (例如 nCr(10, 2))[/td][/tr][tr][td][img width=34,height=25]https://lh3.googleusercontent.com/EQSfrHVoscXVhJVV-2hw270TO4WTGZZKLgDxXGX7J4BY3dOiQPAhgfJ0vAuToKsOpU1L11Ep-lNoLASnGk11atxX-qJVeUOEw8CCAEL6GLfGAZfw77XDx7fIlnFUY6sdbl1LxZR5[/img][/td][td] 阶乘 (例如 5! = 120)[/td][/tr][tr][td][img width=39,height=30]https://lh4.googleusercontent.com/YTlJBbjsoBCkhg-GXDsJkYXsr8UZXSVGNXHAlJqwFfMDYVfy5L4rqktIysf1EbxXR1Ln-uFJjQJKqFjqLO6M36O1YM3NtLXkmy9EBC1W3LU7nyUpM5gdza58rx6CnzSEpqcSY2Wk[/img][/td][td]  绝对值 (例如 abs(-3) = 3)[/td][/tr][tr][td][img width=37,height=30]https://lh3.googleusercontent.com/v04Az9AXe9s4PlkzZ4rGs-LJJzi1KfbzHWQXQxjOwReSuQwi28J6FZAlZ50rs95XAocMo1pVOR4Mr5z0RxJJ4jFcKGxxhMmL8gC-TgwZv3-1KpkqScNPg9AE8GwuS411E1cFdc51[/img][/td][td] 四舍五入 (例如 round(3.62) = 4 或者 round(3.4528, 3) = 3.453)[/td][/tr][tr][td][img width=36,height=26]https://lh5.googleusercontent.com/OtUeGGGLq9cvdKMGnWR2hecrATTId3bwtb3wLAebHMr0GYf1aDQhW1zeENptLbKrQrDir5_nCO1nVPx2DIjy2e9aoMMZgEJpygoM5e-QC4h2kJfSfty55SnBYf2IvkE5uXLApRVG[/img][/td][td]  平均绝对偏差 (例如 mad(1, 2, 3) = 0.66667)[/td][/tr][tr][td][img width=32,height=26]https://lh4.googleusercontent.com/6kRStTVAryBeRmRAWzoqoEBB6KN5WduJ4KEj7mQsk3e9BcMe94l2j03YJNXWfrVZ7HKaBUAs9GfO1G854CbMIYshcMkeaketLUMLUKNG_4z3yBfOJ7GO0ZR_pKtGeIRiSyma3zWc[/img][img width=32,height=26]https://lh3.googleusercontent.com/V8YMih0SXbSNga3jWhpJeOpfyfAPt4w-83ujI1DpcW3jWUT5wVIgJZsO0WYgWSLLdBxq6eA4lF8kCWoRP1_GK-VV5MkOrHn2B1NiwZ9cXcsOg0ubzEG4II-rLVVaU1ymAZ9qyW3v[/img][/td][td]  在指令栏内向左或向右移动[/td][/tr][tr][td][img width=35,height=27]https://lh3.googleusercontent.com/wkSBqcFTiTTtdL-GFlM3SLzCgk_u3lAwD6gf63lKqs9sK-CMjZrYl_mNQ6NBoonheHFW_uAmbbULNUicQ_9kqzmKI9pHiKvDhYJ65EMdJc72bFvdsEURgutX7tFOXvuJh4Wacs3y[/img][/td][td]  开始计算并获取结果[/td][/tr][/table]

输入以下计算, 并使用下图检查结果.[br][list=1][*]计算 [math]\sqrt[3]{9261}[/math].[br][/*][*]计算 2, 2.4, 3.6 和 4.2 四元素的算术平均数.[br][/*][*]将运算 25.8 - 13.25 结果进行取整.[br][/*][*]计算从 6 个元素中不重复地选出 3 个元素的组合数.[/*][*]将 32°46'25'' 转化成小数形式. [br][/*][/list]