Enter your calculation into the Input Bar by using the Scientific Calculator Keyboard. Your calculations will be numbered and shown in rows above the Input Bar.[br][br]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]In the [img width=31,height=20]https://lh5.googleusercontent.com/hseg06SLfuanyvdFfRn0Q-I0P_FOmJCBItxpWClvZM5ppDyKAA_so2o89yI5hDCiOMNPLX6H1LrT2jwFFcgUczrRUxaT8toH9wCxj3Zl7xljRaivKVt5xvodoGOLsNoPVmp-shjv[/img] keyboard you can find keys for numbers and basic mathematical operations and symbols. [br][br]In the [img width=26,height=21]https://lh4.googleusercontent.com/5uATsIVsJUlThefQMJVvJY8t8sL6ODnn8_kVo_rvlZ2ovlksv1LvXujEnHNMwnHBhZNDPqROjNhBGloiL2XUnzNeVXsbDrpBNPdePv9U5Ge938Iel_occTQXtza2mgiUV6A33e6E[/img] keyboard you can find statistical and further mathematical functions. [br][br]The [img width=27,height=20]https://lh4.googleusercontent.com/gd2nI_5TwZrcxDKomObbDJUqQGNADHjv-MCBlWaAi3JKY4247TV04LNg2sIBPfBG1Q-vUlE_RZRqd37LjHehLNY-XiOikmHlCMnYTUWaAbhHdwUvXYYwlPE2INuvMsqrIxVGLH_X[/img] keyboard contains letter keys.