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1 KO fx-570ex fx-991ex RJA V01

2 QR CALC...17 SOLVE n CASIO Computer Co., Ltd.,,, CASIO Computer Co., Ltd. 3 1

3 , ( : ), (Contrast ) (RESET) (Initialize All) (Yes) 3 (LR44) 2 (R03(UM-4) (fx-991ex)., 2

4 , (OFF) : 10 Contrast : (SETUP)(Contrast).,, : (1) (2) : ( ) ( ) :,,,, Complex Base-N, 3

5 / / FIX SCI M, Angle Unit ( : Degree, : Radian, : Gradian), MathI/MathO MathI/DecimalO Input/ Output - (fx-991ex ) (SETUP) (1), (2), : : (Calculate) 4

6 (2, 8, 10, 16) (Complex) (Base-N) (Matrix) (Vector) (Statistics) (Distribution) (Spreadsheet) (Table) (Equation/Func) (Inequality) (Ratio) 3. : Calculate, : : ; :, π* 1 : ; : 10 : * 2 ; : 10 : * 2 ; : 10 (SETUP) (Input/ Output) : (MathI/MathO) (MathI/DecimalO) (LineI/LineO) (LineI/DecimalO) *1 10 *2 (S-V.P.A.M. ) 5

7 Input/Output MathI/MathO MathI/DecimalO LineI/LineO LineI/DecimalO : / MathI/MathO 1. (SETUP) 2., Input/Output MathI/MathO ; MathI/DecimalO; LineI/LineO; LineI/DecimalO Angle Unit Degree ; Radian; Gradian, Number Format Fix: (0 9), : 100 7( )* (Fix 3) Sci: (0 9), : 1 7 ( )* (Sci 5) Norm: Norm 1 : 10-2 > x, x 10 10, Norm 2: 10-9 > x, x : 1 200( )* (Norm 1), (Norm 2) * ( ) Engineer Symbol On; Off : On (E) 6

8 Fraction Result ab/c; d/c Complex a+bi ; r θ Complex Equation/Func : Complex a+bi i r θ Statistics On; Off Statistics Freq () Spreadsheet Spreadsheet Auto Calc: On ; Off Show Cell: Formula : Value: Equation/Func On ; Off Equation/Func Table f(x); f(x),g(x) Table f(x) f(x) g(x) Decimal Mark Dot ; Comma (.) (,) : (.) (,)(,) (;) Digit Separator On; Off MultiLine Font Normal Font ; Small Font Input/Output LineI/LineO LineI/DecimalO Normal Font 4, Small Font 6 QR Code (QR) QR Version 3: QR 3 Version 11 : QR 11 (Contrast ) (RESET) (Setup Data) (Yes) 4 sin 30 ( ) = 120 *1 sin *2 ( ) *3 7

9 10, - : , : ( sin(, log( ) (x 2, x 3, x -1, x!,,, r, g, %, t), (m, μ, n, p, f, k, M, G, T, P, E), ( ), ( ) 4 5 ((-)), n (d, h, b, o) 6 (cm in ), Statistics (x, y, x 1, x 2 ) 7 8 (npr), (ncr), ( ) 9 ( ) 10 ( ), ( ) 11 (+), ( ) 12 and ( ) 13 or, xor, xnor ( ) : ( : -2) (2 ). x 2, 2 2, (MathI/ MathO MathI/DecimalO) /, : ( ) 2., 8

10 ( ) : (, ( ), (Σ)), ( ), (), / (MathI/MathO MathI/DecimalO):, (UNDO), (UNDO) (MathI/MathO MathI/ DecimalO) : (INS) (INS), 7 6 ( ) (LineI/LineO LineI/DecimalO ) : (INS)., MathI/MathO MathI/DecimalO Input/Output,,, π π 6= 1 π= (MathI/MathO) 6 (π) = = (MathI/DecimalO) 1 π

11 Input/Output, (,,, ) 10 MathI/MathO LineI/LineO 10 ( ), Input/Output = ( ) 13 6 (MathI/MathO) (LineI/LineO) MathI/MathO,, ( ) (%) % = (%) (75%) (%) % (2625) (%) 2625,, (60 ) 60 : { } { } { }, = ( 60 ) (:) : (:) : LineI/LineO LineI/DecimalO Input/Output (:) 10

12 1234, ( ) ( ) : Off Engineer Symbol 11 (m, μ, n, p, f, k, M, G, T, P, E),, Engineer Symbol On 500k 500(Engineer Symbol) (k) 500k 999k () + 25k () = 1.024M () = 1024k () = (Engineer Symbol) (k) 25(Engineer Symbol) (k) 1.024M 1024k ( ) 1024k Calculate, (FACT) , (FACT) : 10 1,018,081 3 / / = = ( ) 4 11

13 :,, Input/Output RESET ( Initialize All Setup Data ), = = 5 () 7 5 (Ans) Ans() () = = () (A, B, C, D, E, F, M, x, y), A 3 5(A) 8 A 10 () (A) 10 * 1 80 A () (RECALL)* 2 (A) 8 A 0(A) 0 *1 : x, (x) *2 (RECALL) A, B, C, D, E, F, M, x y, Norm 1 Number Format, (M) 0 M M 0(M) M ()

14 M () 10 5(M ) 15 M ( ) () (RECALL) (M) 35 : M M Ans,, (RESET) (Memory) (Yes) :, π: π , π = e: e , e = sin, cos, tan, sin -1, cos -1, tan -1 : sin 30 = (Angle Unit: Degree) 30 2 sinh, cosh, tanh, sinh -1, cosh -1, tanh -1 : (Hyperbolic Func)* 1 *1, r, g :, r, g : (Angle Unit)* 2. π/2 = 90 (Angle Unit: Degree) (π) 2 (Angle Unit) ( r ) 90 *2, : e 5 2 = (MathI/MathO) ( ) (LineI/LineO) ( ) log: (log) log a b log (a, b) a 10 log = log 1000 = 3 (log) log 2 16 = 4 (log) 2(,) 16 4, MathI/MathO MathI/DecimalO Input/Output log 2 16 = ln: e ln 90 (= log e 90) = x 2, x 3,,,,, x -1 :, (1 + 1) 2+2 =

15 x=a (5 2 ) 3 = (x 3 ) = 2 (MathI/MathO) ( ) (LineI/LineO) 5( ) =3 2= (MathI/MathO) (LineI/LineO) ,, :, f(x) -(Gauss-Kronrod) (1) MathI/MathO MathI/DecimalO (2) LineI/LineO LineI/DecimalO * 1 * 2 * 3 (1) bf x dx a d f x dx f x b x=a (2) f x, a, b, tol d f x, a, tol dx f x,a,b *1 tol tol. *2 tol tol. *3 a b < a b < f(x), Radian tol, tol f(x),,,,,, 0 eln x dx 1 (MathI/MathO) (x)1 (e) 1 (LineI/LineO) (x) (,) 1(,)(e) 1 y = sin(x) x = π/2 (Angle Unit: Radian) ( ) (x) (1) (MathI/MathO) ((1) ) (π) 2 0 (LineI/LineO) ((1) ) (,)(π) x=1 x+1 = 20 (MathI/MathO) ( )(x)

16 (LineI/LineO) ( )(x) 1 (,) 1(,) 5 20 Pol, Rec: Pol, Rec r θ x y x y θ -180 < θ 180 2, 2 (Angle Unit: Degree) (MathI/MathO) (Pol) 2 (,) 2 r=2, θ=45 2, 45 (Angle Unit: Degree) (MathI/MathO) (Rec) 2 (,) 45 x=1, y=1 x!: (5 + 3)! = (x!) Abs: = 10 (MathI/MathO) (Abs) (LineI/LineO) (Abs) Ran#: ~ MathI/ MathO Input/Output (Ran#) 459 ( ) RanInt#: 1 6 (RanInt)1(,) 6 2 ( ) npr, ncr: (npr) (ncr) 10 3 : 10(nPr) : 10(nCr) Rnd: Rnd Number Format, Number Format Fix 3 Rnd(10 3) Norm 1 Norm 2 11 Fix 3 : Rnd(10 3) 3 (MathI/DecimalO) (SETUP) (Number Format) (Fix) QR (Rnd) QR *

17 * QR DENSO WAVE INCORPORATED QR QR QR CASIO :,, (QR) QR, CASIO (wes.casio.com). QR : QR Calculate 1. Calculate, 2. (QR) QR QR QR QR, QR QR, 3. QR QR, QR QR : QR QR QR / QR, QR QR Code Version 3, QR QR QR, Not Supported (Version 3), QR, CASIO (wes.casio.com). QR : (QR), Complex (a +bi) (r θ) Complex (1 + i) 4 + (1 i) 2 = -4 2i (Complex: a+bi)* 1(i)4 1(i) -4 2i 2 45 = 2+ 2i (Angle Unit: Degree, Complex: a+bi) 2( ) i 2+ 2i = 2 45 (Angle Unit: Degree, Complex: r θ) 16

18 2 2(i) 2 45 * (a+bi) n, : < n < θ -180 <θ 180 LineI/LineO LineI/DecimalO a bi ( r θ) Complex 2 + 3i (Complex: a+bi) (Conjugate) 2 3 (i) 1 + i (Angle Unit: Degree) (Abs) 1(i) (Argument) 1(i) 2 + 3i (Real Part) 2 3 (i) (Imaginary Part) 2 3 (i) 2+ 2i = 2 45, 2 45 = 2+ 2i (Angle Unit: Degree) 2 2(i) ( r θ) 2( ) 45 ( a+bi) CALC 2 3i i CALC,, CALC Calculate Complex CALC 2x + 3y, 2Ax + 3By + C, A + Bi x + y : x (x + y) y = x 2 + x + 3 : CALC, 3A + B : A = 5, B = 10 3(A) (B) 5 10 SOLVE SOLVE SOLVE Calculate SOLVE : y = x + 5, x = sin(m), xy + C (xy + C = 0 ) 17

19 ( : sin log) (SOLVE) SOLVE, b = -2 x x 2 + b = 0 (x)(b)(=)0 (SOLVE) x 1 ( 1 ): -2 B : 2 ( x, x ): : (1) (2) (3) () ( ) () ( ) 0 SOLVE Continue:[=] SOLVE x( ) SOLVE SOLVE SOLVE : y = sin x, y = e x, y = x. 1., Statistics, 2. Select Type, : (x) (x, y), : (1-Variable) (y=a+bx) (x, y), 2 (y=a+bx+cx 2 ) 18

20 (x, y), (x, y), e (x, y), ab (x, y), (x, y), (y=a+b ln(x)) (y=a e^(bx)) (y=a b^x) (y=a x^b) (y=a+b/x) : (Select Type) Statistics 1, 2 3 : (x), (x, Freq), (x, y), (x, y, Freq) : 1 160, 2 80, 3 53 Freq () () Statistics Freq () () (Data), (Data) 1: : (170, 66), (173, 68), (179, 75) (Select Type) (y=a+b ln(x)) : Statistics,, Statistics :, :, : (Editor) (Insert Row). : : (Editor) (Delete All). : (1-Variable Calc 2-Variable Calc) : (1-Variable Calc 2-Variable Calc) 19

21 ( ) : (Regression Calc) : (Regression Calc), (σ x, Σx 2 ) (*) : Σx*, Σx 2 *, Σy, Σy 2, Σxy, Σx 3, Σx 2 y, Σx 4 (Summation) ~ : n* / : x *, y / : σ 2 x*, σ 2 y / : σ x *, σ y / : s 2 x*, s 2 y / : s x *, s y (Variable) ~, ~ : min(x)*, min(y) / : max(x)*, max(y) : (Min/Max), : (Min/Max) ~ 1 : Q 1 * / : Med* / 3 : Q 3 * ( ) (Min/Max) ~ : a, b / : r / : x, y (Regression) ~ 2 : a, b, c / : x 1, x 2, y (Regression) ~ x, x 1, x 2 y 2: x = {1, 2, 2, 3, 3, 3, 4, 4, 5}, Freq {x n ; freq n } = {1;1, 2;2, 3;3, 4;2, 5;1}, (SETUP)(Statistics) (On) (Select Type) (1-Variable) (Variable) (x ) 3 3: : (x, y) = (20, 3150), (110, 7310), (200, 8800), (290, 9310). Fix 3( 3) (SETUP)(Statistics) (Off) (SETUP) (Number Format) (Fix) (Select Type) (y=a+b ln(x)) (Regression) (r)

22 (Regression) (a) (Regression) (b) , x y x (2 x 1 x 2 ) y 4: 3 x = 160 y Fix 3 ( 3 ) 160 (Regression) (y) :, : (Norm Dist). P, Q, R: t, t: x (x ) (σ x ) x x t = x x σ x 5: 2, x = 2 P(t) 2 (Norm Dist) ( t) (Norm Dist) (P() n 10, 16, 2 / 8, Base-N Base-N, : 10 (DEC), 16 (HEX), 2 (BIN) 8 (OCT) (BIN) A F : (A), (B), (C), (D), (E), (F). Base-N (10) (32) x 2:

23 : x : x : x x : x 7FFFFFFF : x FFFFFFFF : d(10), h(16), b(2) o(8) (DEC) (d) 10(h) 10 (b) 10(o) : (DEC), (HEX), (BIN), (OCT) (DEC) (HEX) B, (and, or, xor, xnor, Not, Neg) 2 ( (BIN)) AND ( and ) (and) (Not( )) (Not) : 2, , Equation/Func 1., Equation/Func, 2. :, 1 2, 3 4 : (Simul Equation), ( ~ ) (Polynomial), ( ~ ) 22

24 3., 2x 2 + x 3 = 0, 2 (Polynomial) ,,, : Polynomial : (Simul Equation) (Polynomial),, 0 Equation/Func x + 2y = 3, 2x + 3y = 4 (Simul Equation) x 2 + 2x 2 = 0 (Polynomial) 1 22 (x=) (y=) (x 1 =) (x 2 =) (y = x 2 + 2x 2 x *) (x=) -1 (y = x 2 + 2x 2 y *) (y=) -3 * y = ax 2 + bx + c ( ) x y, 2 Matrix 4 4, (MatA, MatB, MatC, MatD) : , Matrix, 2. (MatA) (2 ) (2 ) MatA MatA :

25 4. : (Define Matrix) (MatB) (2 ) (2 ). 5. MatB : , (MatA x MatB) : (MatA) (MatB) MatAns ( ) (MatAns) Matrix MatAns MatAns MatAns MatAns : (MatAns). MatAns :,,,,,, (x 3 ). 1. (Define Matrix), 2., ( ~ ) 3., ( ~ ) 4. (Edit Matrix), ( MatAns) 1. MatAns, MatAns : (MatAns) 2., : (MatA), (MatB), (MatC) (MatD). MatA = , MatB = MatA (Det(MatA)) (Determinant) MatA MatA (Identity(2) + MatA) (Identity) MatA : 1 ~ 4 Identity ( ). MatB (Trn(MatB)) (Transposition) MatB MatA, (MatA -1, MatA 2, MatA 3 ) 24

26 : -1,, (x 3 ) MatA MatA MatA(x 3 ) MatB (Abs(MatB)) (Abs) MatB Table : -1 x 1, 0.5 f x =x g x =x , Table, 2. (SETUP) (Table) (f(x),g(x)) 3. x (x) x (x) Table Range, Start ( : 1), End ( : 5) Step ( : 1) , x x f(x) g(x) x x,, Step,, Step f(x) g(x) 25

27 4, g(x) 5, f(x) 45 f(x), 30 f(x),g(x) x : Table Input/Output Vector 2 3, (VctA, VctB, VctC, VctD) : (1, 2) + (3, 4) 1., Vector, 2. (VctA) (2) VctA 2 3. VctA : : (Define Vector) (VctB) (2). 5. VctB : , (VctA + VctB) : (VctA) (VctB) VctAns ( ) Vector VctAns VctAns VctAns VctAns : (VctAns). VctAns :,,, 1. (Define Vector), 2., 3. (Edit Vector), ( VctAns) 1. VctAns VctAns : (VctAns) 2., : (VctA), (VctB), (VctC) (VctD). 26

28 VctA=(1, 2), VctB=(3, 4) VctC=(2, -1, 2) VctA VctB() VctA (Dot Product) VctB VctA VctB () VctC VctA VctB (Abs) VctC VctA VctB (Fix 3). (Angle Unit: Degree) (SETUP) (Number Format) (Fix) (Angle) VctA(,) VctB VctB (Unit Vector) VctB 2, , Inequality, 2., ( ~ ) 3., ~ 4., x 2 + 2x 3 < 0, (a = 1, b = 2, c = -3) : , : (Polynomial) 0 Inequality 3x 3 + 3x 2 x> 0 (Polynomial) (3 ) (ax 3 +bx 2 +cx+d>0)

29 MathI/MathO Input/Output, All Real Numbers ( : x 2 0). ( : x 2 < 0) No Solution Ratio A, B, C D A : B = X : D ( A : B = C : X) X Ratio 1., Ratio, 2., (A:B=X:D) (A:B=C:X) 3., (A, B, C, D) 10, 3 : 8 = X : 12 X, 1, (A = 3, B = 8, D = 12) : , (X ). : 0 Math ERROR X 1 : 2 = X : 10 (Select Type) (A:B=X:D) (X=) 5 (Select Type), 1., Distribution, 2., : : (Normal PD) (Normal CD) (Inverse Normal) (Binomial PD) (Binomial CD) (Poisson PD) 28

30 (Poisson CD) Normal PD, Normal CD Inverse Normal, 4, 3 3., (x) x, (List), (Variable) (List), x , 3 List, Ans 6 : (Select Type), Normal PD: x, σ, μ Normal CD: Lower, Upper, σ, μ Inverse Normal: Area, σ, μ ( ) Binomial PD, Binomial CD: x, N, p Poisson PD, Poisson CD: x, λ x:, : (σ > 0), μ, λ:, Lower:, Upper:, Area: (0 Area 1), N:, p: (0 p 1) 45 (1) (2) (3) (x) (4) (P) : : :, (Editor) (Insert Row), : (Editor) (Delete All) Distribution x = 36, σ = 2, μ = Normal PD 29

31 (Select Type) (Normal PD) 2. x, σ μ (p=) :,, N = 15 p = 0.6 {10, 11, 12, 13} 1. Binomial PD (Select Type) (Binomial PD) 2. (x), (List) 3. x , 5. N p , x P 4 6 x 2, x ( ) N p,,,,, ERROR P, Spreadsheet Spreadsheet 45 5 ( A1 ~ E45) (1) (1 ~ 45) (2) (A ~ E) (3) : (4) : : Spreadsheet,,, 30

32 :, (=) ( : 7+3, sin30, A1 2 ) : (=) ( : =A1 2) : : (Free Space) / 1: A1, A2 A3 7 5, 7 6 A2+7, B1 : =A A (A)7 3. B1, (=)(A)7 : 1., (Edit Cell) 2., 3., Grab ( : A1) Grab 2: 1, B2 : =A B2 2. (=)(Grab) 7 : =A1+7 (A1), =A1+7 B1, C3 =B3+7 C3 (B ~ C) (1 ~ 3), A1 B3, / (?), ERROR 31

33 :,, / ( ) : ( A1), (A 1) ( A 1). ( ), ( ) 1., (Cut & Paste), 2.,, :, 1., (Copy & Paste), 2.,, :, (Delete All) (A, B, C, D, E, F, M, x, y) (RECALL) Spreadsheet Spreadsheet, Min( Max( Mean( Sum( : Min( : ) : Max( : ) : Mean( : ) : Sum( : ) 3: 1, =Sum(A1:A3) A1, A2 A3 A4 1. A4 2. =Sum(A1:A3) 32

34 (=) (Sum) (A) (:)(A) 3. Fill Formula, Fill Value :,, 4: 1, 3 B1, B2 B3 1. B1 2. (Fill Formula) Fill Formula 3. Form, =2A1 3 : 2(A)3 (=) 4. Range B1:B3 5., =2A1 3 B1, =2A2 3 B2, =2A3 3 B3 5: 4, C1, C2 C3 1. C1 2. (Fill Value) Fill Value 3. Value, B1 3 : (B)3 4. Range C1:C3 5., C1, C2 C3 33

35 Auto Calc, Auto Calc (Off), : (Recalculate) 47 : c 0 ( ) 1. (CONST) 2. (Universal) 3. (c 0 ) CODATA (2010) : 5cm (LineI/LineO) 1. 5(CONV) 2., Length (Length) 3. - (cm in) NIST Special Publication 811 (2008) J cal 15 C : 34

36 Math ERROR (, ). (, 0 ) Stack ERROR 2 Syntax ERROR Argument ERROR Dimension ERROR (Matrix Vector ) Variable ERROR(SOLVE ) SOLVE Cannot Solve (SOLVE ) Range ERROR Table Spreadsheet, Range Start, End, Step Range, A1 ~ E45 : A1:A1 Time Out tol Circular ERROR (Spreadsheet ) ( : A1 =A1 ). Memory ERROR (Spreadsheet ) (1,700 ) 35

37 ( : A2 A1, A3 A2 ) (1,700 ) ,, 4. (Contrast ) : (RESET) (Setup Data) (Yes)., : 1. (OFF) 2.,,, (+) ( ) : (RESET) (Initialize All) (Yes).! ± ~ ±

38 10 ±1 ±1 sinx cosx Degree 0 x < Radian 0 x < Gradian 0 x < tanx Degree Radian Gradian x = (2n 1) 90 sinx x = (2n 1) π/2 sinx x = (2n 1) 100 sinx sin -1 x, cos -1 x 0 x 1 tan -1 x 0 x sinhx, coshx 0 x sinh -1 x 0 x cosh -1 x 1 x tanhx 0 x tanh -1 x 0 x logx, lnx 0 x x x e x x x 0 x < x 2 x < x -1 x < ; x 0 3 x x < x! 0 x 69 (x ) npr 0 n < , 0 r n (n, r ) 1 {n!/(n r)!} <

39 ncr Pol(x, y) Rec(r, θ) x y 0 n < , 0 r n (n, r ) 1 n!/r! < n!/(n r)! < x, y x 2 +y r θ: sinx a, b, c < ; 0 b, c 2 ±1 x < x x > 0: < ylogx < 100 x = 0: y > 0 m x < 0: y = n, (m, n ) 2n + 1, < ylog x < 100 x y y > 0: x 0, < 1/x logy < 100 y = 0: x > 0 y < 0: x = 2n+1, 2n + 1 (m 0; m, n ) m, < 1/x log y < 100 a b / c, 10 ( ). RanInt#(a, b) a < b; a, b < ; b a < x y x, y, 3, x!, npr, ncr, MathI/MathO Input/Output, π x < 10 6, π π : fx-570ex: AAA R03 (UM-4) 1 fx-991ex: ; LR44 1 : 2 (1 1 ) : W (fx-570ex) : 0 C ~ 40 C 38

40 : fx-570ex: 13.8 () 77 () () mm fx-991ex: 11.1 () 77 () () mm : fx-570ex: 100g fx-991ex: 90g?,, Input/Output MathI/DecimalO Ans? Ans : : : Statistics Table? (Calculate)? (Contrast ): (RESET) (Setup Data) (Yes)., CASIO?, : (sin 30) + 15 (Angle Unit: Degree) (S-V.P.A.M.) : : (LineI/LineO) sin

41 (CONST) (Universal) : h : : c 0 : ε 0 : μ 0 : Z 0 : G : l P : t P (Electromagnetic) : μ N : μ B : e : Φ 0 : G 0 : K J : R K (Atomic&Nuclear) : m p : m n : m e : m μ : a 0 : α : r e : λ C : γ p : λ Cp : λ Cn : R : μ p : μ e : μ n : μ μ : m τ (Physico-Chem) : u : F : N A : k : V m : R : c 1 : c 2 : σ (Adopted Values) : g : atm : R K-90 : K J-90 (Other) : t (CONV) (Length) : in cm : cm in : ft m : m ft : yd m : m yd : mile km : km mile : n mile m : m n mile : pc km : km pc (Area) : acre m 2 : m 2 acre (Volume) : gal(us) L : L gal(us) : gal(uk) L : L gal(uk) (Mass) : oz g : g oz : lb kg : kg lb (Velocity) : km/h m/s : m/s km/h (Pressure) : atm Pa : Pa atm : mmhg Pa : Pa mmhg : kgf/cm 2 Pa : Pa kgf/cm 2 : lbf/in 2 kpa : kpa lbf/in 2 (Energy) : kgf m J : J kgf m : J cal : cal J (Power) : hp kw : kw hp (Temperature) : F C : C F 40

42 Manufacturer: CASIO COMPUTER CO., LTD. 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo , Japan Responsible within the European Union: CASIO EUROPE GmbH Casio-Platz Norderstedt, Germany SA1412-A Printed in China 2015 CASIO COMPUTER CO., LTD.

fx-82EX_fx-85EX_fx-350EX

fx-82EX_fx-85EX_fx-350EX KO fx-82ex fx-85ex fx-350ex http://edu.casio.com RJA532550-001V01 ...2... 2... 2... 3... 4...5...5...6... 8... 9...10... 10... 11... 13... 16...17...17... 17... 18... 20 CASIO Computer Co., Ltd.,,, CASIO