java You will need to come up with an algorithm to only have two decimal places in the answer if slope has more than two decimals in the answer. code example

Example 1: javascript round decimal 2 digits

var numb = 123.23454;
numb = numb.toFixed(2);

Example 2: round number 2 decimals javascript

Math.round((num + Number.EPSILON) * 100) / 100