The Scientific Calculator Keyboard consists of three different keyboards. You can switch between the keyboards by selecting the one you want to use. [br][br]The last keyboard is the [img width=27,height=20]https://lh4.googleusercontent.com/gd2nI_5TwZrcxDKomObbDJUqQGNADHjv-MCBlWaAi3JKY4247TV04LNg2sIBPfBG1Q-vUlE_RZRqd37LjHehLNY-XiOikmHlCMnYTUWaAbhHdwUvXYYwlPE2INuvMsqrIxVGLH_X[/img] keyboard. It contains letter keys.[br]

In addition to the letter keys the keyboard contains the following keys:[br][br][table][tr][td][img width=24,height=25]https://lh3.googleusercontent.com/M-MV3o1eBQBd8qhijB9IlTDyT24bVD4AFoQn-KFATUNskFR1T7pfh8BY8kjDXQgmrcU7VLEdKXP7Us4vM6PY8K0hf-dWpEz9oVihZC6tCcslNqZsGQqgxyb42G6vFIymrpviYnbQ[/img][/td][td]Switch between capital letters and small letters[/td][/tr][tr][td][img width=26,height=29]https://lh4.googleusercontent.com/qRIW1XJ7PBQlC-qx9ThAmF5gg5SQhmI-qONHLxqX6sC12rdh1eTPV9c1X221-LLHpA9kNokPBdriR4EoWL_lbGM4pgQAptQDGq8qpirNB5hpWqfjLb885Uh6wdXveuXYkOB_MNbp[/img][/td][td]Label a calculation to use the letters again to do further calculations with [br]the solution. (e.g. a = 7.326)[br][/td][/tr][tr][td][img width=25,height=27]https://lh6.googleusercontent.com/K8KtmG17D4Tn74hsFZ47KTCAXgDvE6U1HiUtAmKXoIU40zQwmXPhvQwaesiiWAzuCzHuGJ0vlAE3-A4RazvLYrEmQXahARROYWDr3MyNA4dlaDJSmtTnG4U-wCxrFWki2JkzHASR[/img][/td][td]Comma[/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]Apostrophe[/td][/tr][tr][td][img width=52,height=29]https://lh3.googleusercontent.com/ayn87q66SN9Lnq7HEhk_XILt-L92zGhCfT7EWEHpKhvewgghlCjL1lu-sjqgOk3fITNvR9M90RX6rWIXQ14j2uNfibDfS-Vu6QLPMyJlCGmoA_D3CmWsIUlkzbku9uWfcH9CwGiy[/img][/td][td]Space Bar[/td][/tr][tr][td][img width=27,height=31]https://lh3.googleusercontent.com/rXcMX6B1RXfASjQypRZDhk_cgN-e8a4Xb6b1n6iVbG9mnOHU4e9752Z75565b8zM70HFkWYDx_0WuXj_-Nvoy2uhlSpUrCkUWmoL9wJI2-vw3Lz0M5xKIt0UxrBqB_PDXNZWqcTb[/img][/td][td]Delete the entry on the left[/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]Move left or right inside the Input Bar[/td][/tr][tr][td][img width=35,height=27]https://lh3.googleusercontent.com/wkSBqcFTiTTtdL-GFlM3SLzCgk_u3lAwD6gf63lKqs9sK-CMjZrYl_mNQ6NBoonheHFW_uAmbbULNUicQ_9kqzmKI9pHiKvDhYJ65EMdJc72bFvdsEURgutX7tFOXvuJh4Wacs3y[/img][/td][td]Enter your calculation and get a result[/td][/tr][/table][br][b]Note:[/b] You can use the letters [i]e[/i] for Euler's number,[i] i[/i] to create imaginary or complex numbers and type in [i]pi[/i] instead of using [img width=23,height=25]https://lh6.googleusercontent.com/1GdnRF4mXbh6Unlvk4XhlMDZZsQW7Oz3KD37En7TeM9vm4SkGsc82vo4PtH6aMy7-njC_Ziz9y2CfZ9qTpP6yC7MajgvnoTbocltqdBPNkYaMSQWYZtXPopqUfCnitrTxMZM-czo[/img].

Type in the following calculations and check the results with the image below.[list=1][*]Define a as 2.125.[/*][*]Define B as 4.75.[/*][*]Calculate b' = B - 1.2.[br][/*][*]Calculate the product of a and b'.[/*][/list]