=**************************************
    = Name: simplae maths program
    = Description:it works out sums like add
    =     divide subtract sqaure and double
    = By: Harry Wright
    =
    = Inputs:just numbers
    =
    = Returns:answers
    =
    = Assumes:it has to be run in shell or d
    =     os
    =
    =This code is copyrighted and has    = limited warranties.Please see http://w
    =     ww.Planet-Source-Code.com/vb/scripts/Sho
    =     wCode.asp?txtCodeId=547&lngWId;=6    =for details.    =**************************************
    
    #include <stdio.h>
    int square(int);
    int multiply(int, int);
    int divide(int, int);
    int doubled(int, int);
    int subtract(int, int);
    int main()
    {
    int option;
    printf("######################################\n");
    printf("######################################\n");
    printf("## ##\n");
    printf("##The##\n");
    printf("##Maths ##\n");
    printf("##Program##\n");
    printf("##(H.Wright)##\n");
    printf("######################################\n");
    printf("######################################\n");
    printf("\n\tEnter the number of the operation you wish to pass: \n");
    printf("\t**************************\n");
    printf("\t**************************\n");
    printf("\t**1.Square a number **\n");
    printf("\t**2.Multiply two numbers**\n");
    printf("\t**3.Divide two numbers **\n");
    printf("\t**4.Double a number **\n");
    printf("\t**5.Subtract**\n");
    printf("\t**6.Exit**\n");
    printf("\t**************************\n");
    printf("\t**************************\n");
    printf("====> ");
    scanf("%d", &option;);
    if (option==1)
    {
    int num;
    printf("Enter a number to be squared: ");
    scanf("%d", #);
    printf("%d squared is %d\n", num, square(num));
    }
    if (option==2)
    {
    int num, num2;
    printf("Enter two numbers to be multiplied.\n");
    printf("Number: ");
    scanf("%d", #);
    printf("Number: ");
    scanf("%d", &num2;);
    printf("%d x %d = %d\n",num,num2,multiply(num,num2));
    }
    if (option==3)
    {
    int num,num2;
    printf("Enter two numbers to be divided, separated by a space: ");
    scanf("%d", #);
    scanf("%d", &num2;);
    printf("%d divided by %d is %d\n",num,num2,divide(num,num2));
    }
    if (option==4)
    {
    int num,num2;
    printf("Enter two numbers to be doubled, seperated by a space: ");
    scanf("%d", #);
    scanf("%d", &num2;);
    printf("%d plus %d is %d\n",num,num2,doubled(num,num2));
    }
    if (option==5)
    {
    int num1,num2;
    printf("Enter the two numbers you wish to subtract, seperated by a space: ");
    scanf("%d", &num1;);
    scanf("%d", &num2;);
    printf("%d minus %d is %d\n",num1,num2,subtract(num1,num2));
    }
    if (option==6)
    {
    printf("Goodbye fellow maths-men\n");
    }
    return 0;
    }
    int square(int x)
    {
    return (x*x);
    }
    int multiply(int x, int y)
    {
    return (x*y);
    }
    int divide(int x, int y)
    {
    return (x/y);
    }
    int doubled(int x, int y)
    {
    return (x+y);
    }
    int subtract(int x, int y)
    {
    return (x-y);
    }