R Program to Calculate Power of a Number

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1. Introduction

In this tutorial, we will design an R program that calculates the power of a given number. The power of a number is the result of multiplying the number by itself a specific number of times. This operation is frequently represented as \(base^{exponent}\), where the base is the number we wish to multiply, and the exponent denotes how many times the base is multiplied by itself.

2. Program Overview

Our R program will:

1. Prompt the user to input a base number.

2. Prompt the user to input an exponent.

3. Calculate the power using the base and exponent.

4. Display the result to the user.

3. Code Program

# Prompt the user for the base number
base <- as.numeric(readline(prompt = "Enter the base number: "))

# Prompt the user for the exponent
exponent <- as.numeric(readline(prompt = "Enter the exponent: "))

# Calculate the power of the number
power_result <- base^exponent

# Display the result
cat(base, "raised to the power of", exponent, "is:", power_result)

4. Step By Step Explanation

1. We begin by obtaining the base number from the user. This is done using the readline() function, which captures input from the console. We then convert this input to a numeric value with as.numeric().

2. Next, we retrieve the exponent value from the user, again using readline() and converting it to numeric.

3. We employ the ^ operator in R to compute the power. This operator takes the number on its left (base) and raises it to the power of the number on its right (exponent).

4. Finally, we display the computed power to the user with the cat() function.

Using this straightforward R program, you can effortlessly calculate the power of any number. This script serves as a foundation upon which you can construct more intricate mathematical operations or utilities in R.

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