User manual CASIO FX-8000G

[. . . ] · Avoid dropping your calculator and otherwise subjecting it to strong impact. · Do not store the calculator or leave it in areas exposed to high temperature or humidity, or large amounts of dust. When exposed to low temperature, the calculator may require more time to display results and may even fail to operate. Correct operation will resume once the calculator is brought back to normal temperature. [. . . ] · If FIX or SCI is on the display, press F9 first. · Data input always starts with Au. · Example: To calculate n 1, n, o, n, x, and following data : 55, 54, 51, 55, 53, 53, 54, 52. Enter SD Mode. Input Data. x2 for the Fl A u 55 } 54 } 51 } 55 } 53 } } 54 } 52 } 0. SD SD 52. SD Sample standard deviation Aq Ap -- 16 -- 1. 407885953 SD Population standard deviation 1. 316956719 Arithmetic mean A` Ar Ao Aa SD 53. 375 SD Number of data 8. SD Sum of values 427. SD Sum of squares of values 22805. · }} inputs the same data twice (as above). · You can also input multiple entries of the same data using -. To input the data 110 ten times, for example, press 110 -10 }. · The above results can be obtained in any order, and not necessarily that shown above. · To delete data you have just input, press A[. -- 17 -- kMaking Corrections During Data Input · Example 1: To change data you have just input. Correct 51 } 130 31 } 130 31 } Actual 50 } 120 120 31 Correction A[ 51 } t130 31 } t130 31 } · Example 2: To change data you previously input. Correct 51 } 130 31 } Actual 49 } 120 30 } Correction 49 A [ 51 } 120 - 30 A [130 31 } Technical Information kKey and Their Functions · General Arithmetic calculations . . . . . . . . . . . . . . . . . . . . . . . . . . \, = -- 18 -- Clear (retains memory) . . . . . . . . . . . . . . . . . . . . . . . . . R Cosine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . W Cube root . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A D Engineering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J, A P Factorial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A f Fraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C Fraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A B Hyperbolic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M Natural antilogarithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A U Natural logarithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T Percent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A v Polar-to-rectangular . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Old batteries may leak, causing serious damage to the interior of the calculator. -- 24 -- · The batteries that come in the calculator when you purchase it are for testing only. · All data stored in memory is lost when you replace the batteries. Be sure to write down important data before replacing the batteries. [. . . ]