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Yasmani castaneda #1

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d5b4aab
finished MVP
cyasmani May 25, 2020
ff751d6
completed 2 stretch goals
cyasmani May 28, 2020
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161 changes: 161 additions & 0 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,11 @@
/* 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 = 'Yasmani Castaneda';




Expand All @@ -16,6 +21,9 @@ 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 = 0.004167;
let periods = 360;




Expand All @@ -30,6 +38,25 @@ When your math is correct, monthlyRate will equal 1073.64
*/


var numerator = 1 + monthlyInterestRate;
var numerator1 = Math.pow(numerator, 360);
var numerator2 = monthlyInterestRate * numerator1;

var denominator = 1 + monthlyInterestRate;
var denominator1 = Math.pow(denominator, 360);
var denominator2 = denominator1 - 1;

var answer = numerator2 / denominator2;
var monthlyRate = principal * answer;











// 🏡 Task 3: Function
Expand All @@ -38,6 +65,16 @@ 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 @@ -49,6 +86,29 @@ For example,
mortgageCalculator(200000, 0.05, 30); <-- should return 1,073.64
*/

function mortgageCalculator1(p,i,n){

var numerator = 1 + i;
var numerator1 = Math.pow(numerator, n);
var numerator2 = i * numerator1;

var denominator = 1 + i;
var denominator1 = Math.pow(denominator, n);
var denominator2 = denominator1 - 1;

var answer = numerator2 / denominator2;
var monthlyRate1 = p * answer;

return console.log(monthlyRate1);





}

console.log(mortgageCalculator1(200000, 0.004167, 360))




Expand All @@ -59,6 +119,40 @@ 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 mortgageCalculator2(p,i,n,c){
if(c > 740) {

i = i - 0.5;
}

else if(c < 660){

i = i + 0.5;
} else {

i === i
}
var numerator = 1 + i;
var numerator1 = Math.pow(numerator, n);
var numerator2 = i * numerator1;

var denominator = 1 + i;
var denominator1 = Math.pow(denominator, n);
var denominator2 = denominator1 - 1;

var answer = numerator2 / denominator2;
var monthlyRate2 = p * answer;

return console.log(monthlyRate2);





}

console.log(mortgageCalculator2(200000, 0.004167, 360, 600))




Expand All @@ -78,6 +172,34 @@ 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) {

for(var q = 0; q < 10; q++) {

i = i + 0.005
var numerator = 1 + i;
var numerator1 = Math.pow(numerator, n);
var numerator2 = i * numerator1;

var denominator = 1 + i;
var denominator1 = Math.pow(denominator, n);
var denominator2 = denominator1 - 1;

var answer = numerator2 / denominator2;
var variableRate1 = p * answer;

console.log(`${name}, with an interest rate of
${i}, your monthly rate is $${variableRate1}`)



}


}

console.log(variableInterestRate(200000,0.004167,360))




Expand All @@ -87,11 +209,50 @@ For example, variableInterestRate(200000, 0.04, 30) should console.log:

/* 🏡 Add `Property Tax`, `Homeowner's insurance` and `HOA fees` as parameters in your function to calculate total monthly spending on housing */

function monthlyspending(p,i,n,tax,insurance,hoa){

var numerator = 1 + i;
var numerator1 = Math.pow(numerator, n);
var numerator2 = i * numerator1;

var denominator = 1 + i;
var denominator1 = Math.pow(denominator, n);
var denominator2 = denominator1 - 1;

var answer = numerator2 / denominator2;
var monthlyRate1 = p * answer;

var monthlyCost = monthlyRate1 + tax + insurance + hoa

return Math.round(monthlyCost);





}

console.log(monthlyspending(200000, 0.004167, 360, 300, 250, 120))


/* 🏡 Build a calculator function that accepts `monthly payment` and `interest rate` and returns the maximum loan that a person could afford */


/* 🏡 Explore using `window.prompt()` to allow a user to input parameters in the browser */

let number1 = window.prompt("Enter a number: ");
let number2 = window.prompt("Enter a number: ");


function addition(number1,number2){



let sum = parseInt(number1) + parseInt(number2);
return sum;
}

console.log(addition(number1,number2));


/* 🏡 Refactor your `variableInterestRate()` function to accept an array of interest rates (make sure to copy and paste as to not lose your work!) */