Simpal calculater

#include <stdio.h>

float add(float num1, float num2);
float sub(float num1, float num2);
float mult(float num1, float num2);
float div(float num1, float num2);

int main()
{
    char op;
    float num1, num2, result=0.0f;

   printf("WELCOME TO SIMPLE CALCULATOR\n");
    printf("----------------------------\n");
    printf("Enter [number 1] [+ - * /] [number 2]\n");

    scanf("%f %c %f", &num1, &op, &num2);

    switch(op)
    {
        case '+':
            result = add(num1, num2);
            break;

        case '-':
            result = sub(num1, num2);
            break;

        case '*':
            result = mult(num1, num2);
            break;

        case '/':
            result = div(num1, num2);
            break;

        default:
            printf("Invalid operator");
    }

    printf("%.2f %c %.2f = %.2f", num1, op, num2, result);

    return 0;
}

float add(float num1, float num2)
{
    return num1 + num2;
}

float sub(float num1, float num2)
{
    return num1 - num2;
}

float mult(float num1, float num2)
{
    return num1 * num2;
}

float div(float num1, float num2)
{
    return num1 / num2;
}

C program to calculate profit or loss

#include <stdio.h>

int main()
{
    int cp, sp, amt;

    printf("Enter cost price: ");
    scanf("%d", &cp);
    printf("Enter selling price: ");
    scanf("%d", &sp);

    if(sp > cp)
    {
        amt = sp - cp;
        printf("Profit = %d", amt);
    }
    else if(cp > sp)
    {
        amt = cp - sp;
        printf("Loss = %d", amt);
    }
    else
    {
                printf("No Profit No Loss.");
    }

    return 0;
}

---

number is even or odd

-------------------------------------------------

number is even or odd

#include <stdio.h>

int main()
{
    int num;

    printf("Enter any number: ");
    scanf("%d", &num);
  
    if(num % 2 == 0)
    {
        printf("Number is Even");
    }
    else
    {
        printf("Number is Odd");
    }

    return 0;
}
-----------------------------------------------
  check whether a character is alphabet or not

---------------------------------------------------------

check whether a character is alphabet or not

 check alphabets using ASCII value

#include <stdio.h>

int main()
{
    char ch;
   

    printf("Enter any character: ");
    scanf("%c", &ch);
   

    if((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z'))
    {
        printf("Character is an ALPHABET.");
    }
    else
    {
        printf("Character is NOT ALPHABET.");
    }

    return 0;
}

a character is alphabet or not

#include <stdio.h>

int main()
{
    char ch;

    printf("Enter any character: ");
    scanf("%c", &ch);


    if((ch >= 97 && ch <= 122) || (ch >= 65 && ch <= 90))
    {
        printf("Character is an ALPHABET.");
    }
    else
    {
        printf("Character is NOT ALPHABET.");
    }

    return 0;
}

-----------------------------------------------------------

simpal logioc

#include <stdio.h>

int main()
{
    char ch;

    printf("Enter any character: ");
    scanf("%c", &ch);


    if(ch=isalpha(ch))
    {
        printf("Character is an ALPHABET.");
    }
    else
    {
        printf("Character is NOT ALPHABET.");
    }

    return 0;
}

C program to check Leap Year

----------------------------------------------------------

find Leep year

#include <stdio.h>

int main()
{
    int year;

    printf("Enter year : ");
    scanf("%d", &year);


    if(year % 4 == 0)
    {
        printf("LEAP YEAR");
    }
    else
    {
        printf("COMMON YEAR");
    }

    return 0;
}
----------------------------------------------------------

number is even or odd

check-whether-a-number-is-divisible-by-any-number

divide by one number

#include <stdio.h>

int main()
{
    int num;

    printf("Enter any number: ");
    scanf("%d", &num);



    if((num % 5 == 0)
    {
        printf("Number is divisible by 5");
    }
    else
    {
        printf("Number is not divisible by 5");
    }

    return 0;
}

------------------------------------------------------

divide by two number

#include <stdio.h>

int main()
{
    int num;

    printf("Enter any number: ");
    scanf("%d", &num);


    if((num % 4 == 0) && (num % 21 == 0))
    {
        printf("Number is divisible by 4 and 21");
    }
    else
    {
        printf("Number is not divisible by 4 and 21");
    }

    return 0;
}

check whether a number is even or odd 

check whether a number is positive, negative or zero

  check whether a number is positive, negative or zero

#include <stdio.h>

int main()
{
    int num;

    printf("Enter any number: ");
    scanf("%d", &num);

    if(num > 0)
    {
        printf("Number is POSITIVE");
    }
    if(num < 0)
    {
        printf("Number is NEGATIVE");
    }
    if(num == 0)
    {
        printf("Number is ZERO");
    }

    return 0;
}

--------------------------------------------------------------------------------------------

#include <stdio.h>

int main();
{

    int num;

    printf("Enter any number: ");
    scanf("%d", num);

    if(num==0)
    {
        printf("Number is ZERO");
    }
    else
    {
        if(num > 0)
        {
            printf("Number is POSITIVE");
        }
        else
        {
            printf("Number is NEGATIVE");
        }
    }
}

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check whether a number is divisible by any number