scientificalculator.cs
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using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; namespace calculator { public partial class Form1 : Form { public string no1,constfun; // public int no2; public bool inputstatus; public Form1() { InitializeComponent(); no1 = ""; textBox1.ReadOnly = true; //read only mode of textbox textBox1.RightToLeft = RightToLeft.Yes; radioButton1.Checked = true; } //putting value of button text into text box and a variable inputstatus to textbox #region putting value private void button1_Click(object sender, EventArgs e) { if (inputstatus == true) { textBox1.Text += button1.Text; } else { textBox1.Text = button1.Text; inputstatus = true; } } private void button6_Click(object sender, EventArgs e) { if (inputstatus == true) { textBox1.Text += button6.Text; } else { textBox1.Text = button6.Text; inputstatus = true; } } private void button7_Click(object sender, EventArgs e) { if (inputstatus == true) { textBox1.Text += button7.Text; } else { textBox1.Text = button7.Text; inputstatus = true; } } private void button8_Click(object sender, EventArgs e) { if (inputstatus == true) { textBox1.Text += button8.Text; } else { textBox1.Text = button8.Text; inputstatus = true; } } private void button11_Click(object sender, EventArgs e) { if (inputstatus == true) { textBox1.Text += button11.Text; } else { textBox1.Text = button11.Text; inputstatus = true; } } private void button12_Click(object sender, EventArgs e) { if (inputstatus == true) { textBox1.Text += button12.Text; } else { textBox1.Text = button12.Text; inputstatus = true; } } private void button13_Click(object sender, EventArgs e) { if (inputstatus == true) { textBox1.Text += button13.Text; } else { textBox1.Text = button13.Text; inputstatus = true; } } private void button16_Click(object sender, EventArgs e) { if (inputstatus == true) { textBox1.Text += button16.Text; } else { textBox1.Text = button16.Text; inputstatus = true; } } private void button17_Click(object sender, EventArgs e) { if (inputstatus == true) { textBox1.Text += button17.Text; } else { textBox1.Text = button17.Text; inputstatus = true; } } //when 9 is pressed private void button18_Click(object sender, EventArgs e) { if (inputstatus == true) { textBox1.Text += button18.Text; } else { textBox1.Text = button18.Text; inputstatus = true; } } //. button private void button2_Click(object sender, EventArgs e) { if (inputstatus == true) { textBox1.Text += button2.Text; } else { textBox1.Text = button2.Text; inputstatus = true; } } #endregion putting vaules //Add Operator private void button3_Click(object sender, EventArgs e) { no1 = textBox1.Text; textBox1.Text = ""; constfun = "+"; //used in switch case to check what want to do add } //subtract private void button9_Click(object sender, EventArgs e) { no1 = textBox1.Text; textBox1.Text = ""; constfun = "-"; //want to subtract } //multiply private void button10_Click(object sender, EventArgs e) { no1 = textBox1.Text; textBox1.Text = ""; constfun = "*"; //want to multiply } //divide private void button15_Click(object sender, EventArgs e) { no1 = textBox1.Text; textBox1.Text = ""; constfun = "/"; } //a user defined fun private void funcal() { switch (constfun) { case "+": textBox1.Text=Convert.ToString( Convert.ToInt32(no1) + Convert.ToInt32(textBox1.Text)); //ading values of textbox break; case "-": textBox1.Text = Convert.ToString(Convert.ToInt32(no1) - Convert.ToInt32(textBox1.Text)); break; case "*": textBox1.Text = Convert.ToString(Convert.ToInt32(no1) * Convert.ToInt32(textBox1.Text)); break; case "/": if (textBox1.Text == "0") { textBox1.Text = "infinity"; } else { textBox1.Text = Convert.ToString(Convert.ToInt32(no1) / Convert.ToInt32(textBox1.Text)); } break; case "x^y": textBox1.Text = Convert.ToString(System.Math.Pow(Convert.ToDouble(no1), Convert.ToDouble(textBox1.Text))); break; case "mod": textBox1.Text = Convert.ToString(Convert.ToDouble(no1) % Convert.ToDouble(textBox1.Text)); break; case "nPr": int varn, var2,var3; //variable declaration varn = factorial(Convert.ToInt32(no1)); //calling factorial function var2=factorial(Convert.ToInt32(no1)-Convert.ToInt32(textBox1.Text)); textBox1.Text=Convert.ToString(varn/var2); //storing or showing result of factorial variables break; case "nCr": varn = factorial(Convert.ToInt32(no1)); var2=factorial(Convert.ToInt32(no1)-Convert.ToInt32(textBox1.Text)); var3 = factorial(Convert.ToInt32(textBox1.Text)); textBox1.Text=Convert.ToString(varn/(var3*var2)); break; } } //a user defined function to calculate factorial private int factorial(int x) { int i = 1; //initialization values of i to 1 for (int s = 1; s <= x; s++) { i = i * s; } return i; } //when = button is pressed private void button5_Click(object sender, EventArgs e) { funcal(); //calling of function inputstatus = false; } //when AC is pressed to power on private void button14_Click(object sender, EventArgs e) { textBox1.Enabled = true; textBox1.Text = "0"; } //calculating x raise to power 2 private void button19_Click(object sender, EventArgs e) { textBox1.Text = Convert.ToString(Convert.ToInt32(textBox1.Text) * Convert.ToInt32(textBox1.Text)); inputstatus = false; } //calculating x raise to power 3 private void button20_Click(object sender, EventArgs e) { textBox1.Text = Convert.ToString(Convert.ToInt32(textBox1.Text) * Convert.ToInt32(textBox1.Text) * Convert.ToInt32(textBox1.Text)); inputstatus = false; } //calculating squareroot private void button21_Click(object sender, EventArgs e) { textBox1.Text = Convert.ToString(System.Math.Sqrt(Convert.ToDouble(textBox1.Text))); inputstatus = false; } //x raise to power y private void button22_Click(object sender, EventArgs e) { no1 = textBox1.Text; textBox1.Text = ""; constfun = "x^y"; } //when CE button is pressed private void button23_Click(object sender, EventArgs e) { textBox1.Text = String.Empty; inputstatus = true; } //To set Pi value private void button4_Click(object sender, EventArgs e) { textBox1.Text = "3.141592654"; } //sin function private void button24_Click(object sender, EventArgs e) { //if radian is selected if (radioButton3.Checked==true) { textBox1.Text = Convert.ToString(System.Math.Sin(Convert.ToDouble(textBox1.Text))); inputstatus = false; } //if degree is selected else { textBox1.Text = Convert.ToString(System.Math.Sin((Convert.ToDouble(System.Math.PI)/180)*(Convert.ToDouble(textBox1.Text)))); inputstatus = false; } } //cos function private void button25_Click(object sender, EventArgs e) { //radian selected if (radioButton3.Checked==true) { textBox1.Text = Convert.ToString(System.Math.Cos(Convert.ToDouble(textBox1.Text))); inputstatus = false; } //degree selected else { textBox1.Text = Convert.ToString(System.Math.Cos((Convert.ToDouble(System.Math.PI)/180)*(Convert.ToDouble(textBox1.Text)))); inputstatus = false; } } //tan function private void button26_Click(object sender, EventArgs e) { //radian selected if (radioButton3.Checked==true) { textBox1.Text = Convert.ToString(System.Math.Tan(Convert.ToDouble(textBox1.Text))); inputstatus = false; } //degree selected else { textBox1.Text = Convert.ToString(System.Math.Tan((Convert.ToDouble(System.Math.PI)/180)*(Convert.ToDouble(textBox1.Text)))); inputstatus = false; } } //calculationg 1/x private void button27_Click(object sender, EventArgs e) { textBox1.Text = Convert.ToString(Convert.ToDouble(1.0 / Convert.ToDouble(textBox1.Text))); inputstatus = false; } //calculting x! private void button28_Click(object sender, EventArgs e) { int var1=1; for (int i = 1; i <= Convert.ToInt16(textBox1.Text); i++) { var1 = var1 * i; } textBox1.Text = Convert.ToString(var1); inputstatus = false; } //calculationg log10 private void button29_Click(object sender, EventArgs e) { textBox1.Text=Convert.ToString(System.Math.Log10(Convert.ToDouble(textBox1.Text))); inputstatus=false; } //calculation natural log private void button30_Click(object sender, EventArgs e) { textBox1.Text=Convert.ToString(System.Math.Log(Convert.ToDouble(textBox1.Text))); inputstatus=false; } //backspace key is presseed private void button31_Click(object sender, EventArgs e) { no1= textBox1.Text; int n=no1.Length; textBox1.Text=(no1.Substring(0,n-1)); //removing values one by one onclick of backspace button } //when mod operator(%) is presseed private void button32_Click(object sender, EventArgs e) { no1 = textBox1.Text; textBox1.Text = ""; constfun = "mod"; //explaned earlier to calculate mod in fncalc() } //coding for +/- key private void button33_Click(object sender, EventArgs e) { textBox1.Text = Convert.ToString(-Convert.ToInt32(textBox1.Text)); inputstatus = false; } //Sin inverese fun private void button35_Click(object sender, EventArgs e) { if (radioButton3.Checked==true) { textBox1.Text = Convert.ToString(System.Math.Asin(Convert.ToDouble(textBox1.Text))); inputstatus = false; } else { textBox1.Text = Convert.ToString(System.Math.Asin((Convert.ToDouble(System.Math.PI)/180)*(Convert.ToDouble(textBox1.Text)))); inputstatus = false; } } //cos inverese fun private void button34_Click(object sender, EventArgs e) { if (radioButton3.Checked==true) { textBox1.Text = Convert.ToString(System.Math.Acos(Convert.ToDouble(textBox1.Text))); inputstatus = false; } else { textBox1.Text = Convert.ToString(System.Math.Acos((Convert.ToDouble(System.Math.PI)/180)*(Convert.ToDouble(textBox1.Text)))); inputstatus = false; } } //tan inverese fun private void button36_Click(object sender, EventArgs e) { if (radioButton3.Checked == true) { textBox1.Text = Convert.ToString(System.Math.Atan(Convert.ToDouble(textBox1.Text))); inputstatus = false; } else { textBox1.Text = Convert.ToString(System.Math.Atan((Convert.ToDouble(System.Math.PI)/180) * (Convert.ToDouble(textBox1.Text)))); inputstatus = false; } } private void radioButton3_CheckedChanged(object sender, EventArgs e) { } //permutation private void button37_Click(object sender, EventArgs e) { no1 = textBox1.Text; textBox1.Text = ""; constfun = "nPr"; } //combination private void button38_Click(object sender, EventArgs e) { no1 = textBox1.Text; textBox1.Text = ""; constfun = "nCr"; } private void Form1_Load(object sender, EventArgs e) { } private void monthCalendar1_DateChanged(object sender, DateRangeEventArgs e) { } //coding for off button private void button39_Click(object sender, EventArgs e) { textBox1.Enabled = false; textBox1.Text = ""; inputstatus = false; } private void radioButton1_CheckedChanged(object sender, EventArgs e) { } private void userControl11_Load(object sender, EventArgs e) { Application.Exit(); } private void userControl11_Load_1(object sender, EventArgs e) { } private void userControl11_Load_2(object sender, EventArgs e) { } } } |