Ruby Basic Programs
- Ruby program to print Hello World!
- Ruby program to add two integer numbers
- Ruby program to find the area of the rectangle
- Ruby program to check leap year
- Ruby program to print power of a number
- Ruby program to print Fibonacci series
- Ruby program to check whether the given number is prime or not
- Ruby program to find factorial of a given number
- Ruby program to check whether a variable is defined or not
- Ruby program to calculate the sum of all even numbers
- Ruby program to calculate the sum of all odd numbers up to N
- Ruby program to count the number of digits in a number
- Ruby program to print multiplication table of a number
- Ruby program to read a floating-point number from the user
- Ruby program to calculate the area of Parallelogram
- Ruby program to calculate the area of Cube
- Ruby program to calculate the volume of Cube
- Ruby program to calculate the volume and area of the Cylinder
- Ruby program to calculate the volume, diagonal, and area of Cuboids
- Ruby program to calculate the volume and area of Cone
- Ruby program to calculate the volume and area of Sphere
- Ruby program to read coordinate points and determine its quadrant
- Ruby program to extract the last two digits from the given year
- Ruby program to read the height of a person and the print person is taller, dwarf, or average height person
- Ruby program to find the power of a number without using library function
- Ruby program to divide a number from another number without using the division \'/\' operator
- Ruby program to check the given number is EVEN or ODD using ternary operator
- Ruby program to check the given number is POSITIVE or NEGATIVE using the ternary operator
- Ruby program to check a person is eligible for voting or not using the ternary operator
- Ruby program to find the largest number between two numbers using ternary operator
- Ruby program to find the largest number among three numbers using ternary operator
- Ruby program to find the division of students based on percentage using ternary operator
- Ruby program to demonstrate the bitwise left-shift (<<) operator
- Ruby program to demonstrate the bitwise right-shift (>>) operator
- Ruby program to demonstrate the bitwise AND (&) operator
- Ruby program to demonstrate the bitwise OR (|) operator
- Ruby program to demonstrate the bitwise XOR (^) operator
- Ruby program to swap two numbers using the Bitwise XOR (^) operator
- Ruby program to set the specific bit using the bitwise operator
- Ruby program to clear the specific bit using the bitwise operator
- Ruby program to find the 1\'s complement of the given number
- Ruby program to demonstrate the Boolean NOT (!) operator
- Ruby program to demonstrate the exponential operator (**)
- Ruby program to demonstrate the arithmetic operators
- Ruby program to demonstrate the logical operators
- Ruby program to read an integer number from the user
- Ruby program to find the area of the circle
- Ruby program to calculate the perimeter of the circle
- Ruby program to multiply two numbers using the plus (+) operator
- Ruby program to subtract a number without using the minus (-) operator
- Ruby program to find the remainder without using the modulus (%) operator
- Ruby program to calculate the Highest Common Factor
- Ruby program to calculate the Greatest Common Divisor
- Ruby program to calculate the Lowest Common Multiple
- Ruby program to calculate the area of Trapezium
- Ruby program to calculate the area of the rhombus
- Ruby program to calculate the square root of the given number
- Ruby program to calculate the cube root of the given number
- Ruby program to calculate the base 2 logarithm of the given value
- Ruby program to calculate the base 10 logarithm of the given value
- Ruby program to calculate the logarithm of a given number based on a given base
- Ruby program to calculate the logarithm gamma of the given number
- Ruby program to find the fraction and exponent of a number
- Ruby program to calculate the value from the given fraction and exponent
- Ruby program to find the hypotenuse of a right-angled triangle with sides l and b
- Ruby program to find the value of e^value using exp() function
- Ruby program to demonstrate the Math.erf() function
- Ruby program to find the sine of given radian value
- Ruby program to find the cosine of given radian value
- Ruby program to find the tangent of given radian value
- Ruby program to find the hyperbolic sine of given radian value
- Ruby program to find the hyperbolic cosine of given radian value
- Ruby program to find the hyperbolic tangent of given radian value
- Ruby program to find the arcsine of the given value
- Ruby program to find the arccosine of the given value
- Ruby program to find the arctangent of the given value
- Ruby program to find the hyperbolic arcsine of the given value
- Ruby program to find the hyperbolic arccosine of the given value
- Ruby program to find the hyperbolic arctangent of the given value
- Ruby program to convert the string into an integer
- Ruby program to convert the string into a floating-point number
- Ruby program to convert a number into a complex number
- Ruby program to initialize and print a complex number
- Ruby program to convert an integer number into a string
- Ruby program to convert a number into a rational number
- Ruby program to find the absolute value of the given number
- Ruby program to check the given number is an integer or not
- Ruby program to print the absolute value of Complex numbers
- Ruby program to get the imaginary part of the given complex number
- Ruby program to create Complex numbers from given imaginary parts
- Ruby program to demonstrate the floor() function
- Ruby program to demonstrate the ceil() function
- Ruby program to print character of given ASCII value
- Ruby program to print ASCII value of given character
- Ruby program to demonstrate the downto() function
- Ruby program to demonstrate the upto() function
- Ruby program to check the given number is an EVEN number using library function
- Ruby program to find the GCD using library function
- Ruby program to find the LCM using library function
- Ruby program to perform integer division of two numbers using div() function
- Ruby program to perform float division of two numbers using the fdiv() function
- Ruby program to check a number is zero or not using the zero?() function
- Ruby program to demonstrate the inspect() function
- Ruby program to get the numerator from a rational number
- Ruby program to demonstrate the <=> operator
- Ruby program to demonstrate the phase() function
- Ruby program to check a given number is finite or not
- Ruby program to get the real part from a Complex number
- Ruby program to get the division and remainder using library function
- Ruby program to check the given number is an odd number using library function
- Ruby program to get the predecessor of an integer number using library function
- Ruby program to get the successor of an integer number using library function
- Ruby program to get the denominator from a rational number
- Ruby program to demonstrate the coerce() function
- Ruby program to demonstrate the arg() function
- Ruby program to demonstrate the abs2() function
- Ruby program to get the magnitude of the given number
- Ruby program to get the remainder of float numbers using library function
- Ruby program to compare numbers and strings using library function
- Ruby program to get total bits required for the given number using library function
- Ruby program to get the GCD and LCM using gcdlcm() library function
- Ruby program to demonstrate the next() function
- Ruby program to demonstrate the range (..) operator
Ruby on rails programming
Program/Source Code:
The source code to find the area of the circle is given below. The given program is compiled and executed successfully.
Output:
Explanation:
In the above program, we read the radius from the user and calculated the area of the circle. After that, we printed the result.
need an explanation for this answer? contact us directly to get an explanation for this answer