Number.js

 /*
                     Numbers And Math:


      All About Numbers:

const score = 400
console.log(score);

const balace = new Number(100)
console.log(balace);
console.log(balace.toString().length);
console.log(balace.toFixed(2)); //100.00
console.log(balace.toFixed(1)); //100.0
console.log(balace.toFixed(3)); //100.000

const otherValue = 23.8965
console.log(otherValue.toPrecision(3)); // 23.9

const otherValue1 = 123.8965
console.log(otherValue1.toPrecision(3)); //124

const otherValue2 = 1123.8965
console.log(otherValue2.toPrecision(3)); //1.12e+3

const otherValue3 = 123.8965
console.log(otherValue3.toPrecision(4)); // 123.9

const otherNumbers = 100000000000000000000
console.log(otherNumbers.toLocaleString('en-BD','en-IN'));

*/
/*

If you want to learn about  "Number" :
"If you want to know about this Number function{f},then go to click :
-->newTab-->inspect-->console-->[[Prototype]]: Number."

[[Prototype]]: Number ; constructor: ƒ Number() ; toExponential: ƒ toExponential() ; toFixed: ƒ toFixed() ; toLocaleString: ƒ toLocaleString() ; toPrecision: ƒ toPrecision() ; toString: ƒ toString() ; valueOf: ƒ valueOf()
                                    ...............

[[Prototype]]: Object ; [[PrimitiveValue]]: 0 ; [[PrimitiveValue]]: 100 ; undefined.

Number :
ƒ Number() { [native code] }
Number.  
//Number.এর পরে যেকোনো ফাংশন বসানো যাবে Suggestion-List অনুযায়ী,
 Like:Number.EPSILON
            +++++++++++++++++++++++ X +++++++++++++++++++++++++
 */
/*
      All About Maths:
console.log(Math);
console.log(Math.abs(-4)); //4 {positive 4} and {positive 4/+4 ==> 4.}
console.log(Math.round(-4.35)); // 4
console.log(Math.round(-4.6)); // 5 / -5
console.log(Math.ceil(4.32)); //5
console.log(Math.floor(4.9)); //4
console.log(Math.max(4,5,8,9,12,18)); //18
console.log(Math.min(4,5,8,9,12,18));//4
console.log(Math.random());
console.log((Math.random()*10)+1);
console.log(Math.floor(Math.random()*10)+1);

const min=10
const max=20
console.log(Math.floor(Math.random()*(max-min+1))+min);
*/

/*
If you want to learn about  "Math" :
"If you want to know about this Math function{f},then go to click :
-->newTab-->inspect-->console-->[[Prototype]]: Math."

console.log(Math); ==> VM365:1 

Math {abs: ƒ, acos: ƒ, acosh: ƒ, asin: ƒ, asinh: ƒ, …}

E: 2.718281828459045

LN2: 0.6931471805599453

LN10: 2.302585092994046

LOG2E: 1.4426950408889634

LOG10E: 0.4342944819032518

PI: 3.141592653589793

SQRT1_2: 0.7071067811865476

SQRT2: 1.4142135623730951

abs: ƒ abs()

acos: ƒ acos()

acosh: ƒ acosh()

asin: ƒ asin()

asinh: ƒ asinh()

atan: ƒ atan()

atan2: ƒ atan2()

atanh: ƒ atanh()

cbrt: ƒ cbrt()

ceil: ƒ ceil()

clz32: ƒ clz32()

cos: ƒ cos()

cosh: ƒ cosh()

exp: ƒ exp()

expm1: ƒ expm1()

f16round: ƒ f16round()

floor: ƒ floor()

fround: ƒ fround()

hypot: ƒ hypot()

imul: ƒ imul()

log: ƒ log()

log1p: ƒ log1p()

log2: ƒ log2()

log10: ƒ log10()

max: ƒ max()

min: ƒ min()

pow: ƒ pow()

random: ƒ random()

round: ƒ round()

sign: ƒ sign()

sin: ƒ sin()

sinh: ƒ sinh()

sqrt: ƒ sqrt()

tan: ƒ tan()

tanh: ƒ tanh()

trunc: ƒ trunc()

Symbol(Symbol.toStringTag): "Math"

[[Prototype]]: Object
             ++++++++++++++++++++ X ++++++++++++++++++++++++
*/