val = Math.PI
console.log(val, 'PI')
val = Math.E
console.log(val, 'E')
val = Math.round(2.4)
console.log(val, 'round')
val = Math.ceil(2.4)
console.log(val, 'ceil')
val = Math.floor(2.8)
console.log(val, 'floor')
val = Math.sqrt(64)
console.log(val, 'sqrt')
val = Math.abs(-3)
console.log(val, 'abs')
val = Math.pow(8, 2)
console.log(val, 'pow')
val = Math.min(2, 33, 4, 1, 55, 6, 3, -2)
console.log(val, 'min')
val = Math.max(2, 33, 4, 1, 55, 6, 3, -2)
console.log(val, 'max')
val = Math.random()
console.log(val, 'random()')
val = Math.floor(Math.random() * 20 + 1)
console.log(val, 'floor(random)')