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Manual de usuario Casio, modelo 220 PLUS

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To clear the contents of M fx-82MS/85MS/300MS/350MS: 0 1t(STO)l(M) 0. fx-82SX PLUS/220 PLUS: 0 1n(Min) 0. k k k k k k k To add the result of 10 . 5 to M (Continuing) 10 * 5 l 50. To subtract the result of 10 + 5 from M (Continuing) 10 + 5 1l(M–) 15. To recall the contents of M fx-82MS/85MS/300MS/350MS: (Continuing) tl(M) 35. fx-82SX PLUS/220 PLUS: (Continuing) n 35. Note: Variable M is used for independent memory. Clearing the Contents of All Memories Independent memory and variable contents are retained even if you press A, change the calculation mode, or turn off the calculator. Perform the following procedure when you want to clear the contents of all memories. fx-82MS/85MS/300MS/350MS: p!,(CLR)1(Mcl)= fx-82SX PLUS/220 PLUS: pr1(Mcl)= 14. Function Calculations . : . is displayed as 3.141592654, but . = 3.14159265358980 is used for internal calculations. e (fx-82MS/85MS/300MS/350MS only) : e is displayed as 2.718281828, but e = 2.71828182845904 is used for internal calculations. sin, cos, tan, sin .1 , cos .1 , tan .1 : Trigonometric functions. Specify the angle unit before performing calculations. See 1. sinh, cosh, tanh, sinh .1 , cosh .1 , tanh .1 : Hyperbolic functions. The angle unit setting does not affect calculations. See 2. °, r , g : These functions specify the angle unit. ° specifies degrees, r radians, and g grads. Input a function from the menu that appears when you perform the following key operation: 1G(DRG '). See 3. 10 x , e x : Exponential functions. See 4. log : Logarithmic function. See 5. ln : Natural logarithm to base e . See 6. x 2 , x 3 , ^( x y ), ', 3 ', x ', x .1 : Powers, power roots, and reciprocals. See 7. Pol, Rec : Pol converts rectangular coordinates to polar coordinates, while Rec converts polar coordinates to rectangular coordinates. See 8. Pol( x , y ) = ( r , ) Rec( r , ) = ( x , y ) Rectangular Polar Coordinates (Rec) Coordinates (Pol) k Specify the angle unit before performing calculations. Calculation result . is displayed in the range of .180° . 180°. x ! : Factorial function. See 9. Ran# : Generates a 3-digit pseudo random number that is less than 1. See 10. RanInt# (fx-82SX PLUS/220 PLUS only) : For input of the function of the form RanInt#( a , b ), which generates a random integer within the range of a to b . See 11. n P r , n C r : Permutation ( n P r ) and combination ( n C r ) functions. See 12. Rnd : The argument of this function is made a decimal value and then rounded in accordance with the current number of display digits setting (Norm, Fix, or Sci). With Norm 1 or Norm 2, the argument is rounded off to 10 digits. See 13. Note: Using functions can slow down a calculation, which may delay display of the result. To interrupt an ongoing calculation before its result appears, press A. Examples sin 30°= 0.5 v s 30 = 0.5 sin .1 0.5 = 30° v 1s(sin .1 ) 0.5 = 30. sinh 1 = 1.175201194 ws(sinh) 1 = 1.175201194 cosh –1 1 = 0 w1c(cosh .1 ) 1 = 0. . /2 radians = 90°, 50 grads = 45° v (1E(.)/ 2 )1G(DRG')c(R)= 90. 50 1G(DRG ') d(G) = 45. To calculate e 5 . 2 to three significant digits (Sci 3) N 2(Sci) 3 1i( e x ) 5 * 2 = 2.97.10 2 log 1000 = 3 l 1000 = 3. To calculate ln 90 (= log e 90) to three significant digits (Sci 3) N 2(Sci) 3 i 90 = 4.50.10 0 1.2 . 10 3 = 1200 1.2 * 10 M 3 = 1200. (5 2 ) 3 = 15625 ( 5 x)W= 15625. k 1 2 3 4 5 6 7 Manufacturer: CASIO COMPUTER CO., LTD. 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan Responsible within the European Union: CASIO EUROPE GmbH Casio-Platz 1 22848 Norderstedt, Germany This mark applies in EU countries only. 32 5 = 2 5 1M( x ') 32 = 2. To calculate '2 . 3(= 3 '2 = 4.242640687...) to three decimal places (Fix 3) N 1(Fix) 3 1 2 * 3 = 4.243 To convert rectangular coordinates ('2 , '2 ) to polar coordinates v fx-82MS/85MS/300MS/350MS: r9 2 ,9 2 )= r = 2. ~t(F) = 45. • Press ~c(E) to display the value of r , or ~t(F) to display the value of . fx-82SX PLUS/220 PLUS: r9 2 ((,) 9 2 )= r = 2. !q( y , ) = = 45. • Press !r( x , r ) = to display the value of r , or !q( y , ) = to display the value of . To convert polar coordinates ('2 , 45°) to rectangular coordinates v fx-82MS/85MS/300MS/350MS: !r(Rec( ) 9 2 , 45 = x = 1. ~t(F) y = 1. • Press ~c(E) to display the value of x , or ~t(F) to display the value of y . fx-82SX PLUS/220 PLUS: q9 2 ((,) 45 = x = 1. !q( y , ) = y = 1. • Press !r( x , r ) = to display the value of x , or !q( y , ) = to display the value of y . (5 + 3) ! = 40320 ( 5 + 3 )1E( x! )= 40320. To obtain two random three-digit integers 1000 1.(Ran#) = 459. = 48. (Actual results will differ.) To generate random integers in the range of 1 to 6 (fx-82SX PLUS/220 PLUS only) 12(RanInt) 1 1((,) 6 )= 2. = 6. (Actual results will differ.) To determine the number of permutations and combinations possible when selecting four people from a group of 10 Permutations: 10 1{( n P r ) 4 = 5040. Combinations: 10 {4 = 210. To...