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:




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. : 58 92480000000 .




: 58 92480000000 .

, int uint.

byte sbyte. byte 0 255. byte , , . sbyte. , byte , 1 100.

// byte.

Using System;

class Use_byte {

static void Main() { byte x; int sum;

sum = 0;

for(x = 1; x <= 100; x++) sum = sum + x;

Console.WriteLine(" 1 100 " + sum);

}

}

.

1 100 5050

1 100, byte, .

, , byte sbyte, , int uint, short ushort.

. C# : float double. . , float 32 , 5-45 3,4+38. double 64 , 5-324

1,7+308.

C# double, , , #, .NET Framework, double. , Sqrt (), System. Math, double, double, . Sqrt () .

// .

Using System;

class FindRadius { static void Main() {

Double r;

Double area;

area = 10.0;

r = Math.Sqrt(area / 3.1416);

.

1.78412203012729

Sqrt (). , Sqrt () Math, * Math . Console WriteLine () . , , , .

, Math #. double. , , 0,1 1,0 .

// .

Using System;

class Trigonometry { static void Main() {

Double theta; //

for(theta = 0.1; theta <= 1.0;

theta = theta +0.1) {

Console.WriteLine(" " + theta +

" i " + Math.Sin(theta));

Console.WriteLine(" " + theta +

" " + Math.Cos(theta));

Console.WriteLine(" " + theta +

" " + Math.Tan(theta));

Console.WriteLine ();

}

}

}





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