科学计算器由三个不同的键盘组成, 您可以通过选择所需的键盘进行切换. [br][br]最后一个键盘是 [img width=27,height=20]https://lh4.googleusercontent.com/gd2nI_5TwZrcxDKomObbDJUqQGNADHjv-MCBlWaAi3JKY4247TV04LNg2sIBPfBG1Q-vUlE_RZRqd37LjHehLNY-XiOikmHlCMnYTUWaAbhHdwUvXYYwlPE2INuvMsqrIxVGLH_X[/img] 键盘, 它包含字母键.[br]

除字母键外, 键盘还包含以下按键:[br][br][table][tr][td][img width=24,height=25]https://lh3.googleusercontent.com/M-MV3o1eBQBd8qhijB9IlTDyT24bVD4AFoQn-KFATUNskFR1T7pfh8BY8kjDXQgmrcU7VLEdKXP7Us4vM6PY8K0hf-dWpEz9oVihZC6tCcslNqZsGQqgxyb42G6vFIymrpviYnbQ[/img][/td][td]在大写字母和小写字母之间切换[/td][/tr][tr][td][img width=26,height=29]https://lh4.googleusercontent.com/qRIW1XJ7PBQlC-qx9ThAmF5gg5SQhmI-qONHLxqX6sC12rdh1eTPV9c1X221-LLHpA9kNokPBdriR4EoWL_lbGM4pgQAptQDGq8qpirNB5hpWqfjLb885Uh6wdXveuXYkOB_MNbp[/img][/td][td]用字母标记计算以便进行其他计算时直接引用字母代替其结果. (例如 a = 7.326)[br][/td][/tr][tr][td][img width=25,height=27]https://lh6.googleusercontent.com/K8KtmG17D4Tn74hsFZ47KTCAXgDvE6U1HiUtAmKXoIU40zQwmXPhvQwaesiiWAzuCzHuGJ0vlAE3-A4RazvLYrEmQXahARROYWDr3MyNA4dlaDJSmtTnG4U-wCxrFWki2JkzHASR[/img][/td][td]逗号[/td][/tr][tr][td][img width=24,height=26]https://lh6.googleusercontent.com/ptxd8JDtmbwTEvwE7qw_kE6DIad0ib7-e4CnphPx1jJ-FZCli-81k_I29p4mqFbt9jeX8fN71scCYg1FqR_6HzMfA4Yzz9_sjw6x_xaFgzOVTGKFDCkN7u6QMZcXrhtDl-WA4zJk[/img][/td][td]撇号[/td][/tr][tr][td][img width=52,height=29]https://lh3.googleusercontent.com/ayn87q66SN9Lnq7HEhk_XILt-L92zGhCfT7EWEHpKhvewgghlCjL1lu-sjqgOk3fITNvR9M90RX6rWIXQ14j2uNfibDfS-Vu6QLPMyJlCGmoA_D3CmWsIUlkzbku9uWfcH9CwGiy[/img][/td][td]空格键[/td][/tr][tr][td][img width=27,height=31]https://lh3.googleusercontent.com/rXcMX6B1RXfASjQypRZDhk_cgN-e8a4Xb6b1n6iVbG9mnOHU4e9752Z75565b8zM70HFkWYDx_0WuXj_-Nvoy2uhlSpUrCkUWmoL9wJI2-vw3Lz0M5xKIt0UxrBqB_PDXNZWqcTb[/img][/td][td]删除左侧的条目[/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][br][b]注意:[/b] 您可以用字母 [i]e[/i] 表示自然常数 (或欧拉数), 用 [i]i[/i] 创建虚数或复数, 亦可用 [i]pi[/i] 表示 [img width=23,height=25]https://lh6.googleusercontent.com/1GdnRF4mXbh6Unlvk4XhlMDZZsQW7Oz3KD37En7TeM9vm4SkGsc82vo4PtH6aMy7-njC_Ziz9y2CfZ9qTpP6yC7MajgvnoTbocltqdBPNkYaMSQWYZtXPopqUfCnitrTxMZM-czo[/img].

输入以下计算, 并使用下图检查结果.[list=1][*]定义 a 为 2.125.[/*][*]定义 B 为 4.75.[/*][*]计算 b' = B - 1.2.[br][/*][*]计算 a 与 b' 的积.[/*][/list]