let b

let c

let d

​

//fuctions

function mult(a1, b1, a2, b2, log) {

  //(a1+b1i)*(a2+b2i)=(a1*a2 + b1*b2, (a1*b2 + a2*b1)i)

  let real = a1 * a2 - b1 * b2

  let imagenary = a1 * b2 + a2 * b1

  if (log) {

    console.log(real + "+" + (imagenary + "i"))

  }

  return createVector(real, imagenary)

}

​

​

​

​

​

function sq(a, b, log) {

  let real = (a * a) - (b * b)

  let imagenary = [2 * a * b]

  imagenary[1] = imagenary[0] * -1

​

  if (log) {

    if (b < 0) {

      console.log("(" + a + "-" + b + "i" + ")^2 =")

    } else {

      console.log("(" + a + "+" + b + "i" + ")^2 =")

    }

    if (real == 0){

      console.log(imagenary[0]+"i\n"+imagenary[1]+"i")

    }

    else {

        if (imagenary[0] < 0) {

        //if negative

        console.log(real + "" + imagenary[0] + "i")

        } else if (imagenary[0] > 0) {

        //if positive or zero

        console.log(real + "+" + imagenary[0] + "i")

        }

      console.log(real + "" + imagenary[1] + "i")

    }

    // else if (imagenary[1] < 0) {

    //   //if negative

    //   console.log(real + "" + imagenary[1] + "i")

    // } else {

    //   //if positive

    //   console.log(real + "" + imagenary[1] + "i")

    // }

  }

  return [real, imagenary[0], real, imagenary[1]]

}

​

​

​

​

​

​

function sqrt(a, b, logg, showE) {

  if (showE) {

        if (b < 0) {

          console.log("sqrt(" + a + "+" + b + "i) =")

        } else {

          console.log("sqrt(" + a + "+" + b + "i) =")

        }

      }

  var sqrtab = [sqrt((a * a) + (b * b)), sqrt((a ^ 2) + (b ^ 2)) * -1]

​

  let real = [(1 / sqrt(2)) * sqrt(sqrtab[0] + a), ((1 / sqrt(2)) * sqrt(sqrtab[0] + a)) * -1]

​

  let imagenary = [(b / abs(b)) * sqrt(((-1 * a) + sqrtab[0]) / 2), (b / abs(b)) * sqrt(((-1 * a) + sqrtab[0]) / 2) * -1]

​

  if (logg) {

​

    for (let i = 0; i <= 1; i++) {

      if (imagenary[i] < 0) {

​

        console.log(real[i] + "" + imagenary[i] + "i")

      } else {

        console.log(real[i] + "+" + imagenary[i] + "i")

      }

​

    }

  }

  // return answer

  return [real[0], imagenary[0], real[1], imagenary[1]]

}

//is negative

function isneg(num){

  return num < 0;

}