Intro to CS - bysectional method initial structure - problem set 01.02

computer-science/01-introduction-to-cs-and-programming-mit/src/01-02-bisection-method-problem-set.js

@@ -0,0 +1,49 @@
+/*
+*
+* Author: Eric Douglas
+* Finished:
+*
+* Paying Debt Off In a Year - BISECTION METHOD
+*
+* - interest is compounded monthly according to the balance at
+*     the start of the month 
+* - monthly payment must be a multiple of $10 and is the same for all months
+* -  it is possible for the balance to become negative using this scheme
+*/
+
+var prompt = require( 'prompt' );
+
+prompt.start();
+prompt.get([
+  {
+    name : 'balance',
+    description : 'Enter the outstanding balance on your credit card'
+  },
+  {
+    name : 'interest',
+    description : 'Enter the annual credit card interest rate as a decimal'
+  }
+], function( err, results ) {
+
+  // input variables
+  var balance  = parseFloat( results.balance );
+  var interest = parseFloat( results.interest );
+  
+  // output variables
+  var parcel = 0;
+  var months = 0;
+  var paid   = 0;
+
+  // helper variables
+  var step    = 0.01;
+  var min     = 0;
+  var max     = 0;
+  var guesses = 0;
+
+  // Results
+  console.log( '======= RESULT =======');
+  console.log( 'Monthly payment to pay off debt in 1 year:', parcel );
+  console.log( 'Number of months needed:', months );
+  console.log( 'Balance', paid );
+
+});

computer-science/01-introduction-to-cs-and-programming-mit/src/01-02-problem-set.js

@@ -1,7 +1,7 @@
 /*
 *
 * Author: Eric Douglas
-* Finished:
+* Finished: 2015-06-21
 *
 * Paying Debt Off In a Year 
 *