Why was the difference in two rounded numbers not counting rounded values in JavaScript?
I created a round function and it works fine with simple rounding.
If I round two numbers, A and B, and then add them, the result is perfect.
But if I "subtract" them, the result is strange. It is not rounded as it should.
I show you the following function:
function round(x, p) {
return parseFloat(x.toFixed(p));
};
Strange result:
var a = 5.0007;
var b = 2.048
var result = round(5.0007, 3) - round(2.048, 2);
// expected result: 2.951
// obtained result: 2.9510000000000005
Here's a JSFiddle !
Can you help me understand why this subtraction is showing a strange result?
thank
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