rendered paste bodynamespace newcalc
{
public partial class Form1 : Form
{
double x1;
double x2;
double x3;
double x4;
double y1;
double y2;
double y3;
double y4;
bool x1if;
bool x2if;
bool x3if;
bool x4if;
bool y1if;
bool y2if;
bool y3if;
bool y4if;
Fraction x1fr;
Fraction x2fr;
Fraction x3fr;
Fraction x4fr;
Fraction y1fr;
Fraction y2fr;
Fraction y3fr;
Fraction y4fr;
double DAB;
double DAC;
double DBC;
double DAD;
double DBD;
double DCD;
string AngleA;
string AngleB;
string AngleC;
string AngleD;
string WhichLine;
private void updateVariables()
{
try
{
if (label14.Visible == true)
label14.Visible = false;
if (xBox1.Text.Length > 0)
x1 = double.Parse(xBox1.Text);
if (xBox2.Text.Length > 0)
x2 = double.Parse(xBox2.Text);
if (xBox3.Text.Length > 0)
x3 = double.Parse(xBox3.Text);
if (xBox4.Text.Length > 0)
x4 = double.Parse(xBox4.Text);
if (yBox1.Text.Length > 0)
y1 = double.Parse(yBox1.Text);
if (yBox2.Text.Length > 0)
y2 = double.Parse(yBox2.Text);
if (yBox3.Text.Length > 0)
y3 = double.Parse(yBox3.Text);
if (yBox4.Text.Length > 0)
y4 = double.Parse(yBox4.Text);
}
catch (FormatException)
{
label14.Visible = true;
}
}
public Form1()
{
InitializeComponent();
}
private void distanceLabel4_Click(object sender, EventArgs e)
{
setWorkLabels(x2, y2, x3, y3);
}
private void setMyVisibilities()
{
if (distanceLabel1.Visible == false)
distanceLabel1.Visible = true;
if (distanceLabel2.Visible == false && xBox3.Text.Length > 0)
distanceLabel2.Visible = true;
else if (distanceLabel2.Visible == true && xBox3.Text.Length == 0)
distanceLabel2.Visible = false;
if (distanceLabel3.Visible == false && xBox4.Text.Length > 0)
distanceLabel3.Visible = true;
else if (distanceLabel3.Visible == true && xBox4.Text.Length == 0)
distanceLabel3.Visible = false;
if (distanceLabel4.Visible == false && xBox3.Text.Length > 0)
distanceLabel4.Visible = true;
else if (distanceLabel4.Visible == true && xBox3.Text.Length == 0)
distanceLabel4.Visible = false;
if (distanceLabel5.Visible == false && xBox4.Text.Length > 0)
distanceLabel5.Visible = true;
else if (distanceLabel5.Visible == true && xBox4.Text.Length == 0)
distanceLabel5.Visible = false;
if (distanceLabel6.Visible == false && xBox4.Text.Length > 0)
distanceLabel6.Visible = true;
else if (distanceLabel6.Visible == true && xBox4.Text.Length == 0)
distanceLabel6.Visible = false;
if (midLabel1.Visible == false)
midLabel1.Visible = true;
if (midLabel2.Visible == false && xBox3.Text.Length > 0)
midLabel2.Visible = true;
else if (midLabel2.Visible == true && xBox3.Text.Length == 0)
midLabel2.Visible = false;
if (midLabel3.Visible == false && xBox4.Text.Length > 0)
midLabel3.Visible = true;
else if (midLabel3.Visible == true && xBox4.Text.Length == 0)
midLabel3.Visible = false;
if (midLabel4.Visible == false && xBox3.Text.Length > 0)
midLabel4.Visible = true;
else if (midLabel4.Visible == true && xBox3.Text.Length == 0)
midLabel4.Visible = false;
if (midLabel5.Visible == false && xBox4.Text.Length > 0)
midLabel5.Visible = true;
else if (midLabel5.Visible == true && xBox4.Text.Length == 0)
midLabel5.Visible = false;
if (midLabel6.Visible == false && xBox4.Text.Length > 0)
midLabel6.Visible = true;
else if (midLabel6.Visible == true && xBox4.Text.Length == 0)
midLabel6.Visible = false;
if (AB.Visible == false)
AB.Visible = true;
if (AC.Visible == false && xBox3.Text.Length > 0)
AC.Visible = true;
else if (AC.Visible == true && xBox3.Text.Length == 0)
AC.Visible = false;
if (BC.Visible == false && xBox3.Text.Length > 0)
BC.Visible = true;
else if (BC.Visible == true && xBox3.Text.Length == 0)
BC.Visible = false;
if (AD.Visible == false && xBox4.Text.Length > 0)
AD.Visible = true;
else if (AD.Visible == true && xBox4.Text.Length == 0)
AD.Visible = false;
if (BD.Visible == false && xBox4.Text.Length > 0)
BD.Visible = true;
else if (BD.Visible == true && xBox4.Text.Length == 0)
BD.Visible = false;
if (CD.Visible == false && xBox4.Text.Length > 0)
CD.Visible = true;
else if (CD.Visible == true && xBox4.Text.Length == 0)
CD.Visible = false;
if (AB1.Visible == false)
AB1.Visible = true;
if (AC1.Visible == false && xBox3.Text.Length > 0)
AC1.Visible = true;
else if (AC1.Visible == true && xBox3.Text.Length == 0)
AC1.Visible = false;
if (BC1.Visible == false && xBox3.Text.Length > 0)
BC1.Visible = true;
else if (BC1.Visible == true && xBox3.Text.Length == 0)
BC1.Visible = false;
if (AD1.Visible == false && xBox4.Text.Length > 0)
AD1.Visible = true;
else if (AD1.Visible == true && xBox4.Text.Length == 0)
AD1.Visible = false;
if (BD1.Visible == false && xBox4.Text.Length > 0)
BD1.Visible = true;
else if (BD1.Visible == true && xBox4.Text.Length == 0)
BD1.Visible = false;
if (CD1.Visible == false && xBox4.Text.Length > 0)
CD1.Visible = true;
else if (CD1.Visible == true && xBox4.Text.Length == 0)
CD1.Visible = false;
if (slopeLabel1.Visible == false)
slopeLabel1.Visible = true;
if (slopeLabel2.Visible == false && xBox3.Text.Length > 0)
slopeLabel2.Visible = true;
else if (slopeLabel2.Visible == true && xBox3.Text.Length == 0)
slopeLabel2.Visible = false;
if (slopeLabel3.Visible == false && xBox3.Text.Length > 0)
slopeLabel3.Visible = true;
else if (slopeLabel3.Visible == true && xBox3.Text.Length == 0)
slopeLabel3.Visible = false;
if (slopeLabel4.Visible == false && xBox4.Text.Length > 0)
slopeLabel4.Visible = true;
else if (slopeLabel4.Visible == true && xBox4.Text.Length == 0)
slopeLabel4.Visible = false;
if (slopeLabel5.Visible == false && xBox4.Text.Length > 0)
slopeLabel5.Visible = true;
else if (slopeLabel5.Visible == true && xBox4.Text.Length == 0)
slopeLabel5.Visible = false;
if (slopeLabel6.Visible == false && xBox4.Text.Length > 0)
slopeLabel6.Visible = true;
else if (slopeLabel6.Visible == true && xBox4.Text.Length == 0)
slopeLabel6.Visible = false;
}
private void setWorkVisibilities()
{
if (workLabel1.Visible == false)
workLabel1.Visible = true;
if (workLabel2.Visible == false)
workLabel2.Visible = true;
if (workLabel3.Visible == false)
workLabel3.Visible = true;
if (workLabel4.Visible == false)
workLabel4.Visible = true;
if (workLabel5.Visible == false)
workLabel5.Visible = true;
if (workLabel6.Visible == false)
workLabel6.Visible = true;
}
private void killWorkVisibilities()
{
if (workLabel1.Visible == true)
workLabel1.Visible = false;
if (workLabel2.Visible == true)
workLabel2.Visible = false;
if (workLabel3.Visible == true)
workLabel3.Visible = false;
if (workLabel4.Visible == true)
workLabel4.Visible = false;
if (workLabel5.Visible == true)
workLabel5.Visible = false;
if (workLabel6.Visible == true)
workLabel6.Visible = false;
}
private double MidpointDecimalX(double x1, double x2)
{
return (x1 + x2) / 2;
}
private double MidpointDecimalY(double y1, double y2)
{
return (y1 + y2) / 2;
}
private string Slope(double x1, double y1, double x2, double y2)
{
return (y2 - y1) + "/" + (x2 - x1) + " or " + ((y2 - y1) / (x2 - x1));
}
private void buttonCalculate_Click(object sender, EventArgs e)
{
setMyVisibilities();
killWorkVisibilities();
updateVariables();
distanceLabel1.Text = DistanceDecimal(x1, y1, x2, y2) + " or Sqrt(" + DistanceRoot(x1, y1, x2, y2) + ")";
if (xBox3.Text.Length > 0 && yBox3.Text.Length > 0)
distanceLabel2.Text = DistanceDecimal(x1, y1, x3, y3) + " or Sqrt(" + DistanceRoot(x1, y1, x3, y3) + ")";
if (xBox4.Text.Length > 0 && yBox4.Text.Length > 0)
distanceLabel3.Text = DistanceDecimal(x1, y1, x4, y4) + " or Sqrt(" + DistanceRoot(x1, y1, x4, y4) + ")";
if (xBox3.Text.Length > 0 && yBox3.Text.Length > 0)
distanceLabel4.Text = DistanceDecimal(x2, y2, x3, y3) + " or Sqrt(" + DistanceRoot(x2, y2, x3, y3) + ")";
if (xBox4.Text.Length > 0 && yBox4.Text.Length > 0)
distanceLabel5.Text = DistanceDecimal(x2, y2, x4, y4) + " or Sqrt(" + DistanceRoot(x2, y2, x4, y4) + ")";
if (xBox4.Text.Length > 0 && yBox4.Text.Length > 0)
distanceLabel6.Text = DistanceDecimal(x3, y3, x4, y4) + " or Sqrt(" + DistanceRoot(x3, y3, x4, y4) + ")";
midLabel1.Text = "(" + MidpointDecimalX(x1, x2) + "," + MidpointDecimalY(y1, y2) + ")";
midLabel2.Text = "(" + MidpointDecimalX(x1, x3) + "," + MidpointDecimalY(y1, y3) + ")";
midLabel3.Text = "(" + MidpointDecimalX(x1, x4) + "," + MidpointDecimalY(y1, y4) + ")";
midLabel4.Text = "(" + MidpointDecimalX(x2, x3) + "," + MidpointDecimalY(y2, y3) + ")";
midLabel5.Text = "(" + MidpointDecimalX(x2, x4) + "," + MidpointDecimalY(y2, y4) + ")";
midLabel6.Text = "(" + MidpointDecimalX(x3, x4) + "," + MidpointDecimalY(y3, y4) + ")";
slopeLabel1.Text = Slope(x1, y1, x2, y2);
slopeLabel2.Text = Slope(x1, y1, x3, y3);
slopeLabel3.Text = Slope(x1, y1, x4, y4);
slopeLabel4.Text = Slope(x2, y2, x3, y3);
slopeLabel5.Text = Slope(x2, y2, x4, y4);
slopeLabel6.Text = Slope(x3, y3, x4, y4);
if (xBox3.Text.Length > 0 && yBox3.Text.Length > 0 && xBox4.Text.Length == 0 && yBox4.Text.Length == 0)
{
if (TriangleHasRightAngle())
{
areaLabel1.Text = GetRightTriangleArea().ToString();
polygonType1.Text = "Right Triangle";
setLineDistVars(true, false);
setRTAngles();
angleLabel1.Text = "Angle A: " + AngleA.ToString();
angleLabel2.Text = "Angle B: " + AngleB.ToString();
angleLabel3.Text = "Angle C: " + AngleC.ToString();
}
else if (!TriangleHasRightAngle())
{
perimeterLabel1.Text = Math.Pow(DistanceDecimal(x1, y1, x2, y2), 2).ToString();
polygonType1.Text = Math.Pow(DistanceDecimal(x1, y1, x3, y3), 2).ToString();
}
}
}
private void setRTAngles()
{
if (WhichLine.Equals("AB"))
{
AngleC = "Math.Acos(" + DAC + " / " + DAB + ")";
AngleA = "Math.Asin(" + DBC + " / " + DAB + ")";
AngleB = "Math.Asin(" + DAC + " / " + DAB + ")";
double shitfucker = (DAC / DAB);
angleLabel4.Text = Math.Acos(shitfucker).ToString();
}
if (WhichLine.Equals("AC"))
{
AngleB = "Math.Acos(" + DAB + " / " + DAC + ")";
AngleA = "Math.Sin(" + DBC + " / " + DAC + ")";
AngleC = "Math.Sin(" + DAB + " / " + DAC + ")";
double shitfucker = 1;
angleLabel4.Text = Math.Acos(shitfucker).ToString();
}
if (WhichLine.Equals("BC"))
{
AngleA = "Math.Acos(" + DAB + " / " + DBC + ")";
AngleB = "Math.Asin(" + DAC + " / " + DBC + ")";
AngleC = "Math.Asin(" + DAB + " / " + DBC + ")";
double shitfucker = (DAB / DBC);
angleLabel4.Text = Math.Acos(shitfucker).ToString();
}
}
private bool TriangleIsAcute()
{
if (WhichLine.Equals("AB"))
{
if (Math.Pow(DAB, 2) < Math.Pow(DAC, 2) + Math.Pow(DBC, 2))
return true;
}
if (WhichLine.Equals("AC"))
{
if (Math.Pow(DAC, 2) < Math.Pow(DAB, 2) + Math.Pow(DBC, 2))
return true;
}
if (WhichLine.Equals("BC"))
{
if (Math.Pow(DBC, 2) < Math.Pow(DAB, 2) + Math.Pow(DAC, 2))
return true;
}
return false;
}
private double GetRightTriangleArea()
{
double AB = DistanceDecimal(x1, y1, x2, y2);
double AC = DistanceDecimal(x1, y1, x3, y3);
double BC = DistanceDecimal(x2, y2, x3, y3);
if (AB > AC && AB > BC)
return (AC * BC * 0.5);
if (AC > AB && AC > BC)
return (AB * BC * 0.5);
if (BC > AB && BC > AC)
return (AB * AC * 0.5);
return 0;
}
private void setLineDistVars(bool Tri, bool Quad)
{
if (Tri)
{
DAB = DistanceDecimal(x1, y1, x2, y2);
DAC = DistanceDecimal(x1, y1, x3, y3);
DBC = DistanceDecimal(x2, y2, x3, y3);
}
if (Quad)
{
DAB = DistanceDecimal(x1, y1, x2, y2);
DAC = DistanceDecimal(x1, y1, x3, y3);
DBC = DistanceDecimal(x2, y2, x3, y3);
DAD = DistanceDecimal(x1, y1, x4, y4);
DBD = DistanceDecimal(x2, y2, x4, y4);
DCD = DistanceDecimal(x3, y3, x4, y4);
}
}
private bool TriangleHasRightAngle()
{
/* Needed a damned fudge factor, damn long decimals */
setLineDistVars(true, false);
if (Math.Abs(Math.Pow(DAB, 2) + Math.Pow(DAC, 2) - Math.Pow(DBC, 2)) < 0.01)
{
WhichLine = "BC";
return true;
}
if (Math.Abs(Math.Pow(DAB, 2) + Math.Pow(DBC, 2) - Math.Pow(DAC, 2)) < 0.01)
{
WhichLine = "AC";
return true;
}
if (Math.Abs(Math.Pow(DAC, 2) + Math.Pow(DBC, 2) - Math.Pow(DAB, 2)) < 0.01)
{
WhichLine = "AB";
return true;
}
return false;
}
private double DistanceDecimal(double x1, double y1, double x2, double y2)
{
return Math.Sqrt(Math.Pow(x1 - x2, 2) + Math.Pow(y1 - y2, 2));
}
private double DistanceRoot(double x1, double y1, double x2, double y2)
{
return (Math.Pow(x1 - x2, 2) + Math.Pow(y1 - y2, 2));
}
private void setWorkLabels(double x1, double y1, double x2, double y2)
{
setWorkVisibilities();
workLabel1.Text = "Sqrt((" + x1 + "-" + x2 + ")^2 + (" + y1 + "-" + y2 + ")^2)";
workLabel2.Text = "Sqrt((" + (x1 - x2) + ")^2 + (" + (y1 - y2) + ")^2)";
workLabel3.Text = "Sqrt(" + Math.Pow(x1 - x2, 2) + " + " + Math.Pow(y1 - y2, 2) + ")";
workLabel4.Text = "Sqrt(" + (Math.Pow(x1 - x2, 2) + Math.Pow(y1 - y2, 2)) + ")";
workLabel5.Text = Math.Sqrt((Math.Pow(x1 - x2, 2) + Math.Pow(y1 - y2, 2))).ToString();
workLabel6.Text = "";
}
private void setWorkLabelsMid(double x1, double y1, double x2, double y2)
{
setWorkVisibilities();
workLabel1.Text = "(" + x1 + " + " + x2 + ")/2";
workLabel2.Text = "(" + (x1 + x2) + ")/2";
workLabel3.Text = "Mid X = " + ((x1 + x2) / 2);
workLabel4.Text = "(" + y1 + " + " + y2 + ")/2";
workLabel5.Text = "(" + (y1 + y2) + ")/2";
workLabel6.Text = "Mid Y = " + ((y1 + y2) / 2);
}
private void setWorkLabelsSlope(double x1, double y1, double x2, double y2)
{
setWorkVisibilities();
workLabel1.Text = "(" + y2 + "-" + y1 + ")/(" + x2 + "-" + x1 + ")";
workLabel2.Text = (y2 - y1) + "/" + (x2 - x1);
workLabel3.Text = ((y2 - y1) / (x2 - x1)).ToString();
workLabel4.Text = "";
workLabel5.Text = "";
workLabel6.Text = "";
}
private void setWorkLabelsRTArea()
{
setWorkVisibilities();
if (WhichLine.Equals("AB"))
{
workLabel1.Text = "AB > AC and BC, AB is hypotenuse";
workLabel2.Text = "Area is 1/2 * base * height";
workLabel3.Text = "area = .5 * " + DAC + " * " + DBC;
workLabel4.Text = "area = .5 * " + (DAC * DBC);
workLabel5.Text = "area = " + (.5 * DAC * DBC);
workLabel6.Text = "";
}
if (WhichLine.Equals("AC"))
{
workLabel1.Text = "AC > AB and BC, AC is hypotenuse";
workLabel2.Text = "Area is 1/2 * base * height";
workLabel3.Text = "area = .5 * " + DAB + " * " + DBC;
workLabel4.Text = "area = .5 * " + (DAB * DBC);
workLabel5.Text = "area = " + (.5 * DAB * DBC);
workLabel6.Text = "";
}
if (WhichLine.Equals("BC"))
{
workLabel1.Text = "BC > AC and AB, BC is hypotenuse";
workLabel2.Text = "Area is 1/2 * base * height";
workLabel3.Text = "area = .5 * " + DAC + " * " + DAB;
workLabel4.Text = "area = .5 * " + (DAC * DAB);
workLabel5.Text = "area = " + (.5 * DAC * DAB);
workLabel6.Text = "";
}
}
public void setWorkLabelsRTPolygon()
{
setWorkVisibilities();
if (WhichLine.Equals("AB"))
{
workLabel1.Text = "AB = " + DAB;
workLabel2.Text = "AC = " + DAC;
workLabel3.Text = "BC = " + DBC;
workLabel4.Text = "AB^2 = " + Math.Pow(DAB, 2) + ", AC^2 = " + Math.Pow(DAC, 2);
workLabel5.Text = "BC^2 = " + Math.Pow(DBC, 2) + ", " + Math.Pow(DAC, 2) + " + " + Math.Pow(DBC, 2) + " = " + Math.Pow(DAB, 2);
workLabel6.Text = "Triangle is right.";
}
if (WhichLine.Equals("AC"))
{
workLabel1.Text = "AB = " + DAB;
workLabel2.Text = "AC = " + DAC;
workLabel3.Text = "BC = " + DBC;
workLabel4.Text = "AB^2 = " + Math.Pow(DAB, 2) + ", AC^2 = " + Math.Pow(DAC, 2);
workLabel5.Text = "BC^2 = " + Math.Pow(DBC, 2) + ", " + Math.Pow(DAB, 2) + " + " + Math.Pow(DBC, 2) + " = " + Math.Pow(DAC, 2);
workLabel6.Text = "Triangle is right.";
}
if (WhichLine.Equals("BC"))
{
workLabel1.Text = "AB = " + DAB;
workLabel2.Text = "AC = " + DAC;
workLabel3.Text = "BC = " + DBC;
workLabel4.Text = "AB^2 = " + Math.Pow(DAB, 2) + ", AC^2 = " + Math.Pow(DAC, 2);
workLabel5.Text = "BC^2 = " + Math.Pow(DBC, 2) + ", " + Math.Pow(DAC, 2) + " + " + Math.Pow(DAB, 2) + " = " + Math.Pow(DBC, 2);
workLabel6.Text = "Triangle is right.";
}
}
private void distanceLabel1_Click(object sender, EventArgs e)
{
setWorkLabels(x1, y1, x2, y2);
}
private void distanceLabel2_Click(object sender, EventArgs e)
{
setWorkLabels(x1, y1, x3, y3);
}
private void distanceLabel3_Click(object sender, EventArgs e)
{
setWorkLabels(x1, y1, x4, y4);
}
private void distanceLabel5_Click(object sender, EventArgs e)
{
setWorkLabels(x2, y2, x4, y4);
}
private void distanceLabel6_Click(object sender, EventArgs e)
{
setWorkLabels(x3, y3, x4, y4);
}
private void midLabel1_Click(object sender, EventArgs e)
{
setWorkLabelsMid(x1, y1, x2, y2);
}
private void midLabel2_Click(object sender, EventArgs e)
{
setWorkLabelsMid(x1, y1, x3, y3);
}
private void midLabel3_Click(object sender, EventArgs e)
{
setWorkLabelsMid(x1, y1, x4, y4);
}
private void midLabel4_Click(object sender, EventArgs e)
{
setWorkLabelsMid(x2, y2, x3, y3);
}
private void midLabel5_Click(object sender, EventArgs e)
{
setWorkLabelsMid(x2, y2, x4, y4);
}
private void midLabel6_Click(object sender, EventArgs e)
{
setWorkLabelsMid(x3, y3, x4, y4);
}
private void tabPage1_Click(object sender, EventArgs e)
{
}
private void slopeLabel1_Click(object sender, EventArgs e)
{
setWorkLabelsSlope(x1, y1, x2, y2);
}
private void slopeLabel2_Click(object sender, EventArgs e)
{
setWorkLabelsSlope(x1, y1, x3, y3);
}
private void slopeLabel3_Click(object sender, EventArgs e)
{
setWorkLabelsSlope(x2, y2, x3, y3);
}
private void slopeLabel4_Click(object sender, EventArgs e)
{
setWorkLabelsSlope(x1, y1, x4, y4);
}
private void slopeLabel5_Click(object sender, EventArgs e)
{
setWorkLabelsSlope(x2, y2, x4, y4);
}
private void slopeLabel6_Click(object sender, EventArgs e)
{
setWorkLabelsSlope(x3, y3, x4, y4);
}
private void areaLabel1_Click(object sender, EventArgs e)
{
if (xBox4.Text.Length == 0 && yBox4.Text.Length == 0)
{
if (TriangleHasRightAngle())
{
setWorkLabelsRTArea();
}
}
}
private void polygonType1_Click(object sender, EventArgs e)
{
if (xBox4.Text.Length == 0 && yBox4.Text.Length == 0)
{
if (TriangleHasRightAngle())
{
setWorkLabelsRTPolygon();
}
}
}
private void label9_Click(object sender, EventArgs e)
{
}
Fraction myFrac1;
Fraction myFrac2;
private void button1_Click(object sender, EventArgs e)
{
string[] fuckingfrac = textBox1.Text.Split(new char[] { '/' });
string[] secondfrac = textBox2.Text.Split(new char[] { '/' });
myFrac1 = new Fraction(int.Parse(fuckingfrac[0]), int.Parse(fuckingfrac[1]));
myFrac2 = new Fraction(int.Parse(secondfrac[0]), int.Parse(secondfrac[1]));
label9.Text = "" + myFrac1.Add(myFrac2).ToString();
label10.Text = "" + myFrac1.Add(2, 3).ToString();
label11.Text = "" + myFrac1.Add(5).ToString();
label12.Text = "" + myFrac1.Subtract(myFrac2).ToString();
label15.Text = "" + myFrac1.Subtract(2, 3).ToString();
label16.Text = "" + myFrac1.Subtract(5).ToString();
label17.Text = "" + myFrac1.Multiply(myFrac2).ToString();
label18.Text = myFrac1.Multiply(2, 3).ToString();
label19.Text = myFrac1.Multiply(5).ToString();
label20.Text = myFrac1.Divide(myFrac2).ToString();
label21.Text = myFrac1.Divide(2, 3).ToString();
label22.Text = myFrac1.Divide(3).ToString();
}
}
}