scientific calculator and unit converter

Overview

This code defines a number of mathematical functions that perform various calculations, including:

• Solving quadratic equations
• Calculating the area of various shapes (square, triangle, circle, cone, cylinder)
• Converting between temperature units (Fahrenheit to Celsius and vice versa)
• Performing trigonometric, logarithmic, and exponential calculations
• Calculating factorials
• Calculating standard deviations
• Checking if a number is a prime

Installation

A quick introduction of the minimal setup you need to get a up & running.

npm i @maorisr/scientific-calculator

Usage

Here is a list of all the functions defined in the code, a brief description of what they do, and examples of how to use them:

• quadratic(a, b, c): Solves a quadratic equation in the form ax^2 + bx + c = 0, and returns the roots of the equation as a string.
  • Example: console.log(quadratic(1, -3, 2)); returns: The roots are: [2, 1]
• squareArea(side): Calculates the area of a square with the given side length, and returns the result as a string.
  • Example: console.log(squareArea(5)); returns: The square area is: 25
• triangleArea(base, height): Calculates the area of a triangle with the given base and height, and returns the result as a string.
  • Example: console.log(triangleArea(5, 8)); returns: The triangle area is: 20
• circleArea(radius): Calculates the area of a circle with the given radius, and returns the result as a string.
  • Example: console.log(circleArea(5)); returns: The circle area is: 78.53981633974483
• coneArea(radius, slantHeight): Calculates the area of a cone with the given radius and slant height, and returns the result as a string.
  • Example: console.log(coneArea(5, 10)); returns: The cone area is: 157.07963267948966
• cylinderArea(radius, height): Calculates the area of a cylinder with the given radius and height, and returns the result as a string.
  • Example: console.log(cylinderArea(5, 10)); returns: The cylinder area is: 392.6990816987241
• fahrenheitToCelsius(fahrenheit): Converts the given temperature from Fahrenheit to Celsius, and returns the result as a string.
  • Example: console.log(fahrenheitToCelsius(32)); returns: 32 Fahrenheit in Celsius is: 0
• celsiusToFahrenheit(celsius): Converts the given temperature from Celsius to Fahrenheit, and returns the result as a string.
  • Example: console.log(celsiusToFahrenheit(0)); returns: 0 Celsius in Fahrenheit is: 32
• sin(x): Calculates the sine of the given angle x in radians, and returns the result as a string.
  • Example: console.log(sin(1)); returns: Sin 1 is: 0.8414709848
• cos(x): Calculates the cosine of the given angle x in radians, and returns the result as a string.
  • Example: console.log(cos(5)); returns: Cos 5 is: 0.28366218546322625
• tan(x): Calculates the tangent of the given angle x in radians, and returns the result as a string.
  • Example: console.log(tan(5)); returns: Tan 5 is: -3.380515006246586
• log(x): Calculates the natural logarithm (base e) of the given number x, and returns the result as a string.
  • Example: console.log(log(5)); returns: Log 5 is: 1.6094379124341003
• ln(x): Calculates the natural logarithm (base e) of the given number x, and returns the result as a string.
  • Example: console.log(ln(5)); returns: Ln 5 is: 1.6094379124341003
• exp(x): Calculates the exponential function e^x of the given number x, and returns the result as a string.
  • Example: console.log(exp(5)); returns: Exp 5 is: 148.4131591025766
• sqrt(x): Calculates the square root of the given number x, and returns the result as a string.
  • Example: console.log(sqrt(5)); returns: Sqrt 5 is: 2.23606797749979
• degreesToRadians(x): Converts the given angle x from degrees to radians, and returns the result as a string.
  • Example: console.log(degreesToRadians(180)); returns: 180 Degrees in Radians is: 3.141592653589793
• radiansToDegrees(x): Converts the given angle x from radians to degrees, and returns the result as a string.
  • Example: console.log(radiansToDegrees(3.14)); returns: 3.14 Radians in Degrees is: 179.9087476710785
• factorial(x): Calculates the factorial of the given number x, and returns the result as a string.
  • Example: console.log(factorial(5)); returns: The factorial of 5 is: 120
• standardDeviation(arr): Calculates the standard deviation of the given array of numbers and returns the result as a string.
  • Example: console.log(standardDeviation([1, 2, 3, 4, 5])); returns: The standard deviation is: 1.5811388300841898
• isPrime(n): checks if the given number is prime or not and returns the result as a string.
  • Example: console.log(isPrime(5)); returns: 5 is a Prime

Example code

const scientificCalculator = require('@maorisr/scientific-calculator')
const numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

console.log(scientificCalculator.standardDeviation(numbers));
console.log(scientificCalculator.quadratic(1,2,-3))
console.log(scientificCalculator.squareArea(5));
console.log(scientificCalculator.triangleArea(5,7));
console.log(scientificCalculator.circleArea(5));
console.log(scientificCalculator.coneArea(5,7));
console.log(scientificCalculator.cylinderArea(5,7));
console.log(scientificCalculator.fahrenheitToCelsius(50));
console.log(scientificCalculator.celsiusToFahrenheit(10));
console.log(scientificCalculator.sin(5));
console.log(scientificCalculator.cos(5));
console.log(scientificCalculator.tan(5));
console.log(scientificCalculator.log(5));
console.log(scientificCalculator.ln(5));
console.log(scientificCalculator.exp(5));
console.log(scientificCalculator.sqrt(5));
console.log(scientificCalculator.degreesToRadians(5));
console.log(scientificCalculator.radiansToDegrees(5));
console.log(scientificCalculator.factorial(5));
console.log(scientificCalculator.isPrime(5));