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1 e NextDate

2 e 2 3 2

3 e Return 3 3

4 e

5 e

6 e FAX MODEM 3 6

7 e ANSI/IEEE

8 e

9 e NextDate 1 a b c a b c 1 1 a a<b+ c 2 1 b b<a+ c 3 1 c c<a+ b Return 3 9

10 e NextDate a b c a b c

11 e NextDate 2 NextDate NextDate NextDate month day year month day year 1 1 month day year 2050 NextDate

12 e Return 3 12

13 e y = sqrt(x) x

14 e

15 e F x1 x2 a x1 d [a b [b c [c d] e x2 g [e f [f g]

16 e x2 g. f e.. x1 a b c d

17 e x2 g f e x1 a b c d

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23 e x x 4 a 8 a ~ z a 8 a ~ z 5

24 e

25 e R1 = { <a,b,c>: a,b,c } R2 = { <a,b,c>: a,b,c } R3 = { <a,b,c>: a,b,c } R4 = { <a,b,c>: a,b,c }

26 e a b c Test Test Test Test a b c

27 e a b c a b c Test a Test b Test c Test a Test b Test c

28 e a b c c SR3 a b c SR7 a SR1 b SR2 a c SR6 b c SR5 a b SR4 c b a

29 e 29 ( ) NextDate NextDate 3 29

30 e

31 e

32 e F F x1 x2 a x1 b c x2 d x1 x2 [a b] [c d] F d x2 c a b x1

33 e

34 e (1) (2) 1 (3) (1) (4) (2) (5) (6) (7)

35 e (min) (min+) (nom) (max-) (max) (1) min min+ nom max- max (2) (1)

36 e x1(a x1 b) x2(c x2 d) F { <x1nom,x2min>, <x1nom,x2min+>, <x1nom,x2nom>, <x1nom,x2max>, <x1nom,x2max->, <x1min,x2nom>, <x1min+,x2nom>, <x1max,x2nom>, <x1max-,x2nom> } x2 c d a b x1

37 e 37 2 f(x,y) x [1,12] y [1,31] { <1,15>, <2,15>, <11,15>, <12,15>, <6,15>, <6,1>, <6,2>, <6,30>, <6,31> } n 4n+1 f(x,y,x) x [1900,2100] y [1,12] z [1,31] { <2000,6,1>, <2000,6,2>, <2000,6,30>, <2000,6,31>, <2000,1,15>, <2000,2,15>, <2000,11,15>, <2000,12,15>, <1900,6,15>, <1901,6,15>, <2099,6,15>, <2100,6,15>, <2000,6,15> } 3 37

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39 3 39 e bit

40 e 40 bit byte word 0~ ~ K M G ~

41 e ASCII Unicode ASCII (null) (space) ( / ) 0 ( : ASCII A a Z z ( ) ASCII

42 e U KB / / / +1

43 e (max+) (min-) n 6n+1 1 F x2 c d a b x1 2 f(x,y)

44 e [1, 100] 2 NextDate NextDate mouth day 1 mouth 12 1 day 31 year 1912 year 2050

45 e Test10 Test11 Test12 Test Test6 Test7 Test8 Test Test 1 Test2 Test3 Test4 Test5 c b a

46 e Mouth [1 12] Mouth [1 12] Test14 Test15 Test16 Test17 Test18 Test19 day [1 31] day [1 31] Test8 Test9 Test10 Test11 Test12 Test Test 1 Test2 Test3 Test4 Test5 Test6 Test7 year day mouth

47 e (R) 100 (P) (N50) 10 (N10) 5 (N5) 1 (N1)

48 e

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50 e N Y N Y N Y N Y N N Y Y N N Y Y N N N N Y Y Y Y

51 e

52 e n 2 n

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54 e if-then-else 3 54

55 e NextDate NextDate n 2 n

56 e NextDate NextDate day 1 1~11 day 1 month 12 day month 1 year 31 (1,3,5,7,8,10,12) day (4,6,9,11) day ( 2 ) day ( 2 ) day 28

57 e NextDate NextDate a1: a2: day 1 a3: day a4: month 1 a5: month a6: year 1 month day year month M1: {mouth: mouth 30 } M2: {mouth:mouth } M3: {mouth:mouth 12 } M4: {mouth:mouth 2 } day D1:{day:1 day 27} D2: {day:day=28} D3: {day:day=29} D4: {day:day=30} D5: {day:day=31} year Y1:{year:year } Y2: {year:year }

58 e NextDate

59 e month day year month day year 1 month 12 1 day month day year

60 e month M1: {month=4,6,9,11} M2: {month=1,3,5,7,8,10} M3: {month=12} M4: {month=2} day D1: {1 day 26} D2: {day=27} D3: {day=28} D4: {day=29} D5: {day=30} D6: {day=31} year Y1: {year } Y2: {year } a1: day+2 a2: day=2 a3: day=1 a4: month+1 a5: month=1 a6: year+1

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