func Function() {
var done bool = false
fmt.Println(c.CL)
fmt.Println(c.B3, "Welcome to the Liner Solver by Whitman Huntley.")
fmt.Println(c.B3, "This calculator supports all rational numbers as float64 datatypes.")
fmt.Println(c.B3, "This program is text based.To make anything function, enter a keyword and then press enter.")
u.Spacer(1)
fmt.Println(c.V, "ERROR CHECK:", c.B00, "Don't mind me, I'm just here to make sure the program \n doesn't break.")
u.Go(1)
for done == false {
fmt.Println(c.CL + c.X + c.G + "What data do you have?")
fmt.Println(c.R + "a" + c.G + ": Two pairs of points. (x1, y1), (x2, y2)")
fmt.Println(c.R + "b" + c.G + ": The slope and a point. m, (x1, y1)")
fmt.Println(c.R + "c" + c.G + ": None, I'd like to leave.")
mode, err := i.Prompt(c.G + "Select mode using the red key above\n" + c.B + ">" + c.M)
u.QuitAtError(err)
switch mode {
//mode is defined as an input string above.
case "a", "1":
s.TwoPoints()
case "b", "2":
s.PointSlope()
case "c", "3":
fmt.Println(c.Y, "Okey! bye-bye!")
done = true
default:
fmt.Println(c.B, "That statment isn't valid...")
u.Go(1)
}
}
}
func findAorB() {
//This the the part where we declare A&B
fmt.Println(c.CL + c.B1 + "What is point x1?")
x1 := i.DoubleInput(c.M + ">>> " + c.B)
fmt.Println(c.CL + c.B1 + "What is point y1?")
y1 := i.DoubleInput(c.M + ">>> " + c.B)
fmt.Println(c.CL + c.B1 + "What is point x2?")
x2 := i.DoubleInput(c.M + ">>> " + c.B)
fmt.Println(c.CL + c.B1 + "What is point y2?")
y2 := i.DoubleInput(c.M + ">>> " + c.B)
//Now we math. c1 is the answer and all the others are just to show work
x := x2 + x1
y := y2 + y1
xSq := x / 2
ySq := y / 2
//Now we show work
fmt.Printf("%s%sThe formula is: ((x2+x1)/2),((y2+y1)/2)\n", c.CL, c.B01)
fmt.Printf("%sLet's do this:\n((%s%f%s+%s%f%s)/2),((%s%f%s+%s%f%s)/2)\n",
c.B01, c.B1, x2, c.B01, c.B1, x1, c.B01, c.B1, y2, c.B01, c.B1, y1, c.B01)
fmt.Printf("%s((%s%f%s)/2),(%s%f%s)/2)\n", c.B01, c.B1, x, c.B01, c.B1, y, c.B01)
fmt.Printf("%s(%s%f%s,%s%f%s)\n", c.B01, c.B1, xSq, c.B01, c.B1, ySq, c.B01)
s.Spacer(1)
fmt.Printf("%sthe midpoint is (%f,%f).\n", c.O, xSq, ySq)
s.Go(1)
}
func findC() {
//This the the part where we declare A&B
fmt.Println(c.CL + c.B1 + "What is point x1?")
x1 := i.DoubleInput(c.M + ">>> " + c.B)
fmt.Println(c.CL + c.B1 + "What is point y1?")
y1 := i.DoubleInput(c.M + ">>> " + c.B)
fmt.Println(c.CL + c.B1 + "What is point x2?")
x2 := i.DoubleInput(c.M + ">>> " + c.B)
fmt.Println(c.CL + c.B1 + "What is point y2?")
y2 := i.DoubleInput(c.M + ">>> " + c.B)
//Now we math. c1 is the answer and all the others are just to show work
x := x2 - x1
y := y2 - y1
xSq := x * x
ySq := y * y
c2 := xSq + ySq
c1 := math.Sqrt(c2)
//Now we show work
fmt.Printf("%s%sThe formula is: sqrt((x2-x1)^2+(y2-y1)^2)\n", c.CL, c.B01)
fmt.Printf("%sLet's do this:\nsqrt((%s%f%s-%s%f%s)^2+(%s%f%s-%s%f%s)^2\n",
c.B01, c.B1, x2, c.B01, c.B1, x1, c.B01, c.B1, y2, c.B01, c.B1, y1, c.B01)
fmt.Printf("%ssqrt((%s%f%s)^2+(%s%f%s)^2)\n", c.B01, c.B1, x, c.B01, c.B1, y, c.B01)
fmt.Printf("%ssqrt(%s%f%s+%s%f%s)\n", c.B01, c.B1, xSq, c.B01, c.B1, ySq, c.B01)
fmt.Printf("%ssqrt(%s%f%s)\n", c.B01, c.B1, c2, c.B01)
s.Spacer(1)
fmt.Printf("%sSquared distance is %f\n", c.O, c1)
fmt.Printf("%sUnsquared distance is %f\n", c.O, c2)
s.Go(1)
}
func findAorB() {
//This the the part where we declare A&B
fmt.Println(c.CL + c.B1 + "What is side C's size?")
c1 := i.DoubleInput(c.M + ">>> " + c.B)
fmt.Println(c.CL + c.B1 + "What is side B's size?")
b := i.DoubleInput(c.M + ">>> " + c.B)
//Now we math.
c2 := c1 * c1
b2 := b * b
a2 := c2 - b2
a := math.Sqrt(a2)
//Defining a squared, b squared and c squared
//along with solving for c (I used c1 as to prevent the possibility of problems with c, colors)
//Now we show work
fmt.Printf("%s%s%f (c) squared is %f, %f (b) squared is %f.\n", c.CL, c.B1, c1, c2, b, b2)
s.Spacer(1)
fmt.Printf("%s%f%s - %s%f%s = %s%f%s.\n", c.B1, c2, c.B01, c.B1, b2, c.B01, c.B1, a2, c.B01)
fmt.Printf("%sThe square root of %s%f%s is %s%f%s.\n", c.B01, c.B1, a2, c.B01, c.B1, a, c.B1)
s.Spacer(2)
fmt.Printf("%sa = %f\n", c.O, a)
s.Go(1)
}
func findC() {
//This the the part where we declare A&B
fmt.Println(c.CL + c.B1 + "What is side A's size?")
a := i.DoubleInput(c.M + ">>> " + c.B)
fmt.Println(c.CL + c.B1 + "What is side B's size?")
b := i.DoubleInput(c.M + ">>> " + c.B)
//Now we math.
a2 := a * a
b2 := b * b
c2 := a2 + b2
c1 := math.Sqrt(c2)
//Defining a squared, b squared and c squared
//along with solving for c (I used c1 as to prevent the possibility of problems with c, colors)
//Now we show work
fmt.Printf("%s%s%f%s (a) squared is %s%f%s, %s%f%s (b) squared is %s%f%s.\n", c.CL, c.B1, a, c.B01, c.B1, a2, c.B01, c.B1, b, c.B01, c.B1, b2, c.B01)
s.Spacer(1)
fmt.Printf("%s%f%s + %s%f%s = %s%f%s.\n", c.B1, a2, c.B01, c.B1, b2, c.B01, c.B1, c2, c.B01)
fmt.Printf("%sThe square root of %s%f%s is %s%f%s.\n", c.B01, c.B1, c2, c.B01, c.B1, c1, c.B01)
s.Spacer(2)
fmt.Printf("%sc = %f\n", c.O, c1)
s.Go(1)
}
func FindDiscriminant() {
//This the the part where we declare A&B
fmt.Println(c.CL + c.B1 + "What is a?")
a := i.DoubleInput(c.M + ">>> " + c.B)
fmt.Println(c.CL + c.B1 + "What is b?")
b := i.DoubleInput(c.M + ">>> " + c.B)
fmt.Println(c.CL + c.B1 + "What is c?")
cNumber := i.DoubleInput(c.M + ">>> " + c.B)
//\\
discAns := ((b * b) - (4 * a * cNumber))
bb := b * b
ac := a * cNumber
ac4 := ac * 4
//\\
fmt.Printf("%s%s(%s%f%s)^2-4*%s%f%s*%s%f%s\n", c.CL, c.B01, c.B1, b, c.B01, c.B1, a, c.B01, c.B1, cNumber, c.B01)
fmt.Printf("%s%f%s-4*%s%f%s*%s%f%s\n", c.B1, bb, c.B01, c.B1, a, c.B01, c.B1, cNumber, c.B01)
fmt.Printf("%s%f%s-4*%s%f%s\n", c.B1, bb, c.B01, c.B1, ac, c.B01)
fmt.Printf("%s%f%s-%s%f%s\n", c.B1, bb, c.B01, c.B1, ac4, c.B01)
s.Spacer(1)
fmt.Printf("%sThe discriminate is %f. ", c.O, discAns)
solveQuad := 1
if discAns > 0 {
fmt.Printf("Meaning there are two solutions.\n")
} else if discAns == 0 {
fmt.Printf("Meaning there is one solution.\n")
} else if discAns < 0 {
fmt.Printf("Meaning there are no solutions.\n")
solveQuad = 0
} else {
fmt.Println("ERROR. NOPE. BYE!")
os.Exit(-1)
}
s.Go(1)
//////////////////////////
//Now to solve quadratic//
//////////////////////////
//Quadratic Formula: x=(-b ± sqrt(b^2-4ac))/2a
if solveQuad == 1 {
desc := math.Sqrt(discAns)
negB := (-1 * b)
firstTop := (negB + desc)
secondTop := (negB - desc)
quadA := (firstTop / (2 * a))
quadB := (secondTop / (2 * a))
a2 := (2 * a)
//Show work
fmt.Printf("%s%sx=(%s%f%s±%s%f%s)/2(%s%f%s)\n", c.CL, c.B01, c.B1, negB, c.B01, c.B1, desc, c.B01, c.B1, a, c.B01)
fmt.Printf("%sx=(%s%f%s±%s%f%s)/%s%f%s\n", c.B01, c.B1, negB, c.B01, c.B1, desc, c.B01, c.B1, a2, c.B01)
s.Spacer(1)
fmt.Printf("%sx=(%s%f%s)/%s%f%s\n", c.B01, c.B1, firstTop, c.B01, c.B1, a2, c.B01)
fmt.Printf("%sx=(%s%f%s)/%s%f%s\n", c.B01, c.B1, secondTop, c.B01, c.B1, a2, c.B01)
s.Spacer(2)
//Show answer
if quadB == quadA {
fmt.Printf("%sThe solution to this quadratic is %f\n", c.O, quadA)
} else {
fmt.Printf("%sThe solutions to this quadratic are %f and %f\n", c.O, quadA, quadB)
}
s.Go(1)
}
}