C program which uses 5 functions from MATH.h.

```
#include<stdio.h>
#include<math.h>
int main()
{
float a,b;
printf("Enter Two Numbers:");
scanf("%f %f",&a,&b);
printf("\nLog Values are %.2f and %.2f",log(a),log(b));
printf("\nPower %.2f ^ %.2f=%.2f",a,b,pow(a,b));
printf("\nFloor Values are %.2f and %.2f",floor(a),floor(b));
printf("\nCeil Values are %.2f and %.2f",ceil(a),ceil(b));
printf("\nSquare Roots are %.2f and %.2f",sqrt(a),sqrt(b));
return 0;
}
```

#### Output:

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Enter Two Numbers:4

8

Log Values are 1.39 and 2.08

Power 4.00 ^ 8.00=65536.00

Floor Values are 4.00 and 8.00

Ceil Values are 4.00 and 8.00

Square Roots are 2.00 and 2.83