1. Simple Interest and compound interest:
/***************** Prg 1. ***************/
#include
#include
#include
void main()
{
clrscr();
printf("Prg. to find the Simple Interest & Compoun Interest\n");
printf("\n S.I = (p*t*r)/100 \t C.I = (p*(1+r/100)pow t\n");
int p,t,r;
float avgSI=0, avgCI=0;
// float temp=4/10;
printf("\nEnter Principal : ");
scanf("%d",&p);
printf("\nEnter Time : ");
scanf("%d",&t);
printf("\nEnter Rate : ");
scanf("%d", &r);
// printf("%f",pow(4,2));
avgSI=((p*t*r)/100);
avgCI=(p*pow((1+(r/100)),t));
printf("\n S.I : %f",avgSI);
printf("\n C.I : %f",avgCI);
// printf("\n%f",temp);
getch();
}
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2. Calculating income Tax:
/************** Prg 2. **************/
#include
#include
void main()
{
clrscr();
printf("Prg. to cal. income tax\n");
printf("\n First US$ 5000 of income :0% tax");
printf("\n Next US$ 10,000 of income :10%");
printf("\n Next US$ 20,000 of income :15%");
printf("\n An amount above US$ 35,000 :20%");
printf("\nPlease enter the total amount to cal. income tax : ");
float intTotalAmt;
float fltCarryon=0, fltC1=0,fltC2=0, fltC3=0, fltTot=0;
float intdummy=0, intdummy1=0, intdummy2=0, intdummy3=0;
scanf("%f",&intTotalAmt);
if (intTotalAmt>5000)
{
intdummy=intTotalAmt-5000;
if (intdummy>=10000)
{
intdummy1=intdummy-10000;
fltCarryon=10000*.10;
//printf("%d",intdummy1);
}
else
{
fltTot=intdummy*.10;
}
if (intdummy1>=20000)
{
intdummy2=intdummy1-20000;
fltC1=20000*.15;
}
else
{
fltTot=fltTot + (intdummy1*.15);
}
if (intdummy2>=35000)
{
intdummy3=intdummy2-35000;
fltC2=35000*.20;
}
else
{
fltTot=fltTot + (intdummy2*.20);
}
//printf("%f",fltTot);
fltTot=fltTot+fltCarryon+fltC1+fltC2;
printf("%f",fltTot);
}
else
{
printf("\nTax will be dec. if the amt exceeds 5000");
}
getch();
}
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3. Finding Odd and Even numbers:
/********************** Prg 3 **********************/
#include
#include
void main()
{
clrscr();
int i;
int intEven=0,intOdd=0;
int sumEven=0,sumOdd=0;
float avgEven=0, avgOdd=0;
printf("Please enter the number other than 0\n");
do
{
scanf("%d",&i);
if (i%2==0)
{ if(i>1)
intEven++;
sumEven=sumEven+i;
}
else
{
intOdd++;
sumOdd=sumOdd+i;
}
}while(i!=0);
printf("\nTotal Even Num. : %d",intEven);
printf("\nTotal Odd Num. : %d",intOdd);
avgEven=sumEven/intEven;
avgOdd=sumOdd/intOdd;
printf("\n Avg of Even : %f",avgEven);
printf("\n Avg of Odd : %f",avgOdd);
getch();
}
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4. Generate the divisors of a given integer:
/**************************** Prg. 4 ***********************/
#include
#include
void main()
{
clrscr();
printf("Prg. to find the divisors of interger ");
int i;
printf("\n Please enter the Num. to find : ");
scanf("%d",&i);
if (i>1)
{
for(int j=1; j<=i;j++) { if (i%j==0) { printf("\n%d",j); } } } else { printf("Entered number should be greater then 1"); } getch(); } ------------------------------------------------------------------------------ 5. Armstrong Number: /*************** Prg. 5 **********************/ #include
#include
void main()
{
clrscr();
printf("\n Prg to find Amstrong b/w 0 and 999\n");
int i;
int temp=0, temp1=0;
int sum=0;
for(i=0;i<=999;i++) { temp=i; sum=0; temp1=0; while (temp>0)
{
temp1=temp%10;
temp=temp/10;
sum=sum+(temp1*temp1*temp1);
}
if (i==sum)
printf("\n%d",sum);
}
getch();
}
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6. Perfect Number:
/*********************** Prg. 6 ************************/
/
#include
#include
void main()
{
clrscr();
printf("\n Prg. to find entered number is perfect number or not\n");
int i;
int sum=0;
scanf("%d",&i);
int temp=i;
for(int j=1; j
#include
void main()
{
clrscr();
printf("\nPrg. to Find Amicable Number\n");
printf("\nPlease enter 2 numbers\n");
printf("No. 1: ");
int num1, num2;
int sum=0, sum1=0;
scanf("%d", &num1);
printf("\nNo. 2: ");
scanf("%d", &num2);
for(int j=1; j
#include
#include
void main()
{
clrscr();
printf("\n Prg. to find roots of quadratic equation\n");
printf("\n b+-sqrt(4*a*c)/2a\n");
int a,b,c;
float avg1=0,avg2=0,finalResult=0;
printf("\nNo. 1: ");
scanf("%d",&a);
printf("\nNo. 2: ");
scanf("%d",&b);
printf("\nNo. 3: ");
scanf("%d",&c);
avg1=(b+(4*a*c));
// printf("%f",avg1);
avg2=(b-(4*a*c));
// printf("%f",avg2);
finalResult=(avg1+(avg2))/(2*a);
printf("\n%f",finalResult);
//printf("%f",sqrt(a));
getch();
}
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