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Option Strict On

Imports System.Math 'подключение математического модуля

Public Class Form1

Private Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Button1.Click

Dim x, y, f, j, n As Double, p As Single, i As Integer

x = CDbl(TextBox1.Text) 'преобразование типа String в Double

y = CDbl(TextBox2.Text)

f = ((5.2 ^ 3) * log(x + y)) / (x - (1 / (0.45 * sin(x - 8 * y)))) + 0.5

p = CSng(f) 'преобразование типа Double в тип Single

i = CInt(f) 'преобразование типа Double в тип Integer

j = Fix(f) : n = Int(f)

TextBox3.Text = Str(f)

TextBox4.Text = Str(i)

TextBox5.Text = Str(j)

TextBox6.Text = Str(n)

TextBox7.Text = Str(p)

End Sub

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

Application.Exit()

End Sub

Private Sub Button2_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

TextBox1.Clear()

TextBox2.Clear()

TextBox3.Clear()

TextBox4.Clear()

TextBox5.Clear()

TextBox6.Clear()

TextBox7.Clear()

End Sub

Private Sub TextBox2_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox2.TextChanged

End Sub

Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged

End Sub

End Class

Соседние файлы в папке 4.2. Основные средства языка программирования VB.NET. Типы данных