Visual F# 100 Examples: Example 11

Posted by Rey Dacoco in

Problem: Make a simple crack the treasure chest console application game.

// Learn more about F# at http://fsharp.net

open System
//change the title to Crack the Safe
System.Console.Title<-"Crack the Safe"
//change the foreground color to green
Console.ForegroundColor<-ConsoleColor.Green
//dislay the game title screen
printfn "\t\t\t Crack the Safe"
printfn "\t\t\t Press enter to continue..."
//waits for a keypress from the user
System.Console.ReadLine()|>ignore
//Game action sequence
printfn "\t\t\t You have found a legendary treasure chest"
printfn "\t\t\t believed to contain the rarest gem on Earth"
printfn "\t\t\t Press enter to continue... "
//waits for a keypress from the user
System.Console.ReadLine()|>ignore

printfn "\t\t\t this chest can be opened only by"
printfn "\t\t\t entering a mysterious 4-digit key code"
printfn "\t\t\t Press enter to continue..."
//waits for a keypress from the user
System.Console.ReadLine()|>ignore

let random=new Random()
let intkeycode=Convert.ToInt32(random.Next(1000,9999))

printfn "\t\t\tEnter the keycode:"
let intusercode= Convert.ToInt32(Console.ReadLine())
//if usercode is equal to the computer generated code then
if intusercode=intkeycode then
//display a congratulatory message
    printfn "\t\t\Congrats You have opened the treasure chest."

//otherwise 
else
    printfn "\t\t\tInvalid Code"

printfn "\t\t\tPress enter to continue... "
System.Console.ReadLine()|>ignore
printfn "\t\t\tGame Over"

Visual F# 100 Examples: Example 8 to 10

Posted by Rey Dacoco in

Problem: Make a console application that will accept five numbers and display the sum.

open System
//change the title to Add Five Numbers
System.Console.Title<-"Add Five Numbers "
//change the foreground color to cyan
Console.ForegroundColor<-ConsoleColor.Cyan
printfn "\t\t\tEnter the first number:"
let intnum1=Convert.ToInt32(System.Console.ReadLine())
printfn "\t\t\tEnter the second number:"
let intnum2=Convert.ToInt32(System.Console.ReadLine())
printfn "\t\t\tEnter the third number:"
let intnum3=Convert.ToInt32(System.Console.ReadLine())
printfn "\t\t\tEnter the fourth number:"
let intnum4=Convert.ToInt32(System.Console.ReadLine())
printfn "\t\t\tEnter the fifth number:"
let intnum5=Convert.ToInt32(System.Console.ReadLine())
let  intsum=intnum1+ intnum2 + intnum3 + intnum4 + intnum5
printfn "\t\t\tThe sum is:%i" intsum

Problem: Make a console application that will ask the power transmitted and power received then display the power loss value.
open System
//change the title to Calculate Power Loss
System.Console.Title<-"Calculate Power Loss "
//change the foreground color to cyan
Console.ForegroundColor<-ConsoleColor.Cyan
printfn "\t\t\t\tPower transmitted:"
let dblpowertrans=Convert.ToDouble(System.Console.ReadLine())
printfn "\t\t\tPower recieved:"
let dblpowerrec=Convert.ToDouble(System.Console.ReadLine())
let dblpowerloss= dblpowertrans/ dblpowerrec
printfn "\t\t\t Power loss:%f " dblpowerloss

Problem: Develop a console application that will ask the base value and height value then display the volume of a pyramid.
open System
//change the title to Volume of a Pyramid
System.Console.Title<-" Volume of a Pyramid"
//change the foreground color to cyan
Console.ForegroundColor<-ConsoleColor.Cyan
printfn "\t\t\tBase value:"
let dblbase=Convert.ToDouble(System.Console.ReadLine())
printfn "\t\t\tHeight value:"
let dblheight=Convert.ToDouble(System.Console.ReadLine())
let  dblvolume=(dblbase*dblheight)/3.0
printfn "\t\t\tVolume of a pyramid:%f" dblvolume

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