As a beginner in TypeScript, I am still learning the ropes.
Here is the code snippet I used to calculate percentage:
pere() {
this.E=(((+this.English+ +this.Tamil+ +this.Maths+ +this.Science+ +this.Social)/500)*100);
console.log(this.E);
The result was correct but I would like a more comprehensive explanation of how the function works.
The function contains overly complex code. Rather than using ((...)/500)*100, it should simply be (...)/5.
To calculate the average of X values, you need to sum up all the values and then divide by the total count of values. For example, to find the average of 2, 6, 3, 4, and 1, you would do (2 + 6 + 3 + 4 + 1) / 5:
console.log((2 + 6 + 3 + 4 + 1) / 5); // 3.2In the provided function code, it adds five values together, divides by 500 instead of 5, and then multiplies the result by 100 unnecessarily. This can actually reduce precision due to JavaScript's IEEE-754 double-precision floating point numbers not being perfectly precise. Dividing and multiplying by 100 can lead to loss in accuracy.
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