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Aurora CK58 manual

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Table of contents for the manual

  • Page 1

    1 AUROR A OPER A TING M ANUAL For use with A X- 582 T win-line scientific calcul ator . Printed in China 92202 50 Removing and Rep lacing the Calc ulator’s Cover  Always sli de the keyboard end of the unit into the cover fi rst. Never slide the display end of the unit i nto the cover .  Holding the cover as shown i n t he i llustration, sli[...]

  • Page 2

    2 1 format. ■ Decimal Point an d Separator S ymbols You can use the displ ay setup (Disp) screen to specify the symbol s you want for the decimal point and 3-digi t separator.  T o change the deci mal point and separator symbol setting, press the M ODE MODE MODE MO DE 1 ► .  Press the number key （ 1 or 2 ） that corresponds to t he set[...]

  • Page 3

    3 53 – 6 = 47 53 - 6 M+ - ） 45×2 = 90 45 × 2 SHIFT M- (Total) - 11 RCL M ■ Variables ● There are nine variabl es (A through F , M, X and Y), which can be used to store data, constants, results, and ot her values. ● Use the foll owing operati on to delete data assigned to a parti cular variable: 0 SHIFT STO A . This operation deletes t h[...]

  • Page 4

    4 ● Example: T o calculate x σn - 1, x σn, x , n, ∑x and∑x 2 for the followi ng data : 55, 54, 51, 55, 53, 53, 54, 52. In the SD Mode: SHIFT CLR 1 (Scl ) = (Stat clear) 55 DT Each time you press DT to r egister your input, t he number of data input up to that point is indicated o n the display (n value). 54 DT 51 DT 55 DT 53 DT DT 54 DT 52 [...]

  • Page 5

    5 118 48.0 Perform quadratic regressi on to determine the regressi on formula terms for the data nearby. Next, use the regressi on formula to estimate the values for y ˆ (estimated value of y) for xi= 16 and x ˆ (estimated value of x) for yi=20 In the REG Mode: MODE 3 ► 3 （ Q uad ） SHIFT CLR 1 （ Scl ） = (Stat clear) 29 , 1.6 DT 50 , 23.[...]

  • Page 6

    6 ＾ ( x y ) x > 0: -1×10 100 < y log x < 100 x=0: y > 0 x < 0: y = n , (n is an integer) However: -1×10 100 < y log |x| < 100 x y y>0: x≠0 -1×10 100 < 1/x log |y| < 100 y = 0 : x > 0 y < 0 : x = 2n+1 , ( n ≠ 0 , n is an integer) However: -1×10 100 < 1/x log |y| < 100 a b /c Total of integer, numer[...]