Add some comments in formatting number function

Author: lulunac27a

src/components/NumericDisplay/NumericDisplay.js

@@ -26,13 +26,15 @@ function formatNumber(number = 0, shortForm = true) {
       //if number is less than 1 thousand
       return Math.round(number).toString(); //return number rounded to nearest integer
     } else {
+      //if number is 1 thousand or more
       const roundedNumber = number.toPrecision(3); //round number to 3 significant figures
       return (
         (parseFloat(roundedNumber) / Math.pow(10, exponent3)).toPrecision(3) +
         prefixes[exponent3 / 3]
       ); //return coefficient of engineering notation with numeric prefix
     }
   } else {
+    //if short form is false
     return Math.round(number).toString(); //return number rounded to nearest integer
   }
 }