_extremum (y, u, w))  
 {= w; 
 } 
  {= s; 
 } (Math.Abs ​​(b - a) <= l) (a + b)/2; 
  {+ +; step_3; 
 } 
 } void button2_Click (object sender, EventArgs e) 
  {. Clear ();. Clear ();. Clear (); 
 } void button1_Click_1 (object sender, EventArgs e) 
  {(); 
 } void MenuFileSaveAs () 
  {. Filter = "Text files | *. txt"; (saveFileDialog1.ShowDialog () == DialogResult.OK && saveFileDialog1.FileName.Length> 0) 
  {. SaveFile (saveFileDialog1.FileName, RichTextBoxStreamType.UnicodePlainText); 
 } 
 } void textX0_KeyPress (object sender, KeyPressEventArgs e) 
  {(e.KeyChar! = 8 && (e.KeyChar <48 | | e.KeyChar> 57)). Handled = true; (e.KeyChar == 44). Handled = false;  
				
				
				
				
			 } void textX1_KeyPress (object sender, KeyPressEventArgs e) 
  {(e.KeyChar! = 8 && (e.KeyChar <48 | | e.KeyChar> 57)). Handled = true; (e.KeyChar == 44). Handled = false;  
 } void textE_KeyPress (object sender, KeyPressEventArgs e) 
  {(e.KeyChar! = 8 && (e.KeyChar <48 | | e.KeyChar> 57)). Handled = true; (e.KeyChar == 44). Handled = false;  
 } void textD1x0_KeyPress (object sender, KeyPressEventArgs e) 
  {(e.KeyChar! = 8 && (e.KeyChar <48 | | e.KeyChar> 57)). Handled = true; (e.KeyChar == 44). Handled = false;  
 } void textD1x1_KeyPress (object sender, KeyPressEventArgs e) 
  {(e.KeyChar! = 8 && (e.KeyChar <48 | | e.KeyChar> 57)). Handled = true; (e.KeyChar == 44). Handled = false;  
 } void textD2x0_KeyPress (object sender, KeyPressEventArgs e) 
  {(e.KeyChar! = 8 && (e.KeyChar <48 | | e.KeyChar> 57)). Handled = true; (e.KeyChar == 44). Handled = false;  
 } void textD2x1_KeyPress (object sender, KeyPressEventArgs e) 
  {(e.KeyChar! = 8 && (e.KeyChar <48 | | e.KeyChar> 57)). Handled = true; (e.KeyChar == 44). Handled = false;  
 } void panel1_Click (object sender, EventArgs e) 
  {form = new info ();. ShowDialog (); 
 } 
 } 
 }