Skip to content

MVP completed #1

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
SraFly wants to merge 1 commit into
base: master
Choose a base branch
from
Open

MVP completed #1

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
70 changes: 60 additions & 10 deletions index.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,10 @@
// 🏡 Task 1: Variables
/* Create variables for principal, interest rate, and years. Assign them the values 200000, 0.05, and 30 respectively. Create another value called name and give it the value of your own name.
*/




let principal = 200000;
let interestRate = 0.05;
let years = 30;
const name = "Sara";

// 🏡 Task 1.5: Simple Math
/* To create a monthly mortgage rate calculator, we need to know the number of years in months and the monthly interest rate.
Expand All @@ -15,9 +15,8 @@ Create a variable called `monthlyInterestRate` and give it the value of interest

Create another variable called `periods` and give it the value of years*12.
*/



let monthlyInterestRate = interestRate / 12;
let periods = years * 12;

// 🏡 Task 2: Harder Math
/* Create your calculator! Use the formula in the ReadMe to run calculations on your numbers. Save the final value into a variable called monthlyRate.
Expand All @@ -28,6 +27,10 @@ Hint #2: you'll need to use the `math` object for parts of this calculation!

When your math is correct, monthlyRate will equal 1073.64
*/
let numerator = monthlyInterestRate * Math.pow((1 + monthlyInterestRate), periods);
let denominator = Math.pow((1 + monthlyInterestRate), periods) - 1;
let monthlyRate = (principal * (numerator / denominator)).toFixed(2);
console.log (monthlyRate);



Expand All @@ -38,7 +41,11 @@ When your math is correct, monthlyRate will equal 1073.64
If your name is `Oscar` mortgageCalculator() should return "Oscar, your monthly rate is 1073.64"
*/

function mortgageCalculator() {
console.log(`${name}, your monthly rate is ${monthlyRate}`)
}

mortgageCalculator();



Expand All @@ -49,7 +56,17 @@ For example,
mortgageCalculator(200000, 0.05, 30); <-- should return 1,073.64
*/

function mortgageCalculator2(p, i, n){
let monthlyInterestRate = i / 12;
let periods = p * 12;
let numerator = monthlyInterestRate * Math.pow((1 + monthlyInterestRate), periods);
let denominator = Math.pow((1 + monthlyInterestRate), periods) - 1;
let monthlyRate = (n * (numerator / denominator)).toFixed(2);
return monthlyRate;

}

// console.log (mortgageCalculator2(30, .05, 250000));



Expand All @@ -58,7 +75,27 @@ mortgageCalculator(200000, 0.05, 30); <-- should return 1,073.64

Then, add control flow within your function such that IF creditScore is above 740, interest rate drops by 0.5%, if credit score is below 660, interest rate increases by 0.5% and if credit score is anywhere between 660 and 740 interest rate doesn't change.
*/

function mortgageCalculator3(p, i, n, c){
let x = 0;
if (c > 740){
x = i * 0.05;
i = i - x;
} else if (c < 660){
x = i * 0.05;
i = i + x;
} else {
i;
}
let monthlyInterestRate = i / 12;
let periods = p * 12;
let numerator = monthlyInterestRate * Math.pow((1 + monthlyInterestRate), periods);
let denominator = Math.pow((1 + monthlyInterestRate), periods) - 1;
let monthlyRate = (n * (numerator / denominator)).toFixed(2);
return monthlyRate;

}

console.log ("credit score", mortgageCalculator3(30, .05, 250000, 600));



Expand All @@ -78,8 +115,21 @@ For example, variableInterestRate(200000, 0.04, 30) should console.log:
"{Name}, with an interest rate of 0.06, your monthly rate is $1199"
*/



function variableInterestRate(P, I, N){
let variableInterest = I - .02;
let name = "Sara";
for(let i = 0; i < 9; i++){
let monthlyInterestRate = variableInterest / 12;
let periods = N * 12;
let numerator = monthlyInterestRate * Math.pow((1 + monthlyInterestRate), periods);
let denominator = Math.pow((1 + monthlyInterestRate), periods) - 1;
let monthlyRate = (P * (numerator / denominator)).toFixed(2);
console.log(`${name}, with an interest rate of ${variableInterest.toFixed(3)}, your monthly rate is ${monthlyRate}`)
variableInterest = variableInterest + .005
}
}

variableInterestRate(200000, .04, 30);

// 🌟🌟🌟 STRETCH 🌟🌟🌟//

Expand Down