Math Library Reference
The math library provides a comprehensive set of functions for numerical computation. Below is a summary table of all available functions, followed by detailed examples and their outputs.
| Function | Parameters | Description |
|---|---|---|
abs(x) | x (Number) | Returns the absolute value of x. |
pow(x, y) | x, y (Numbers) | Returns x raised to the power of y. |
sqrt(x) | x (Number, ≥ 0) | Returns the square root of x. |
sin(x) | x (Number, radians) | Returns the sine of x. |
cos(x) | x (Number, radians) | Returns the cosine of x. |
tan(x) | x (Number, radians) | Returns the tangent of x. |
round(x) | x (Number) | Rounds x to the nearest integer. |
random() | ― | Returns a random float r in [0.0, 1.0). |
random(start, end) | start, end (Integers) | Returns a random integer n in [start, end). |
max(x, y, ...) | one or more Numbers | Returns the maximum value among the arguments. |
min(x, y, ...) | one or more Numbers | Returns the minimum value among the arguments. |
sum(arr) | arr (Array of Numbers) | Returns the sum of all elements in the array. |
ceiling(x) | x (Number) | Returns the smallest integer ≥ x. |
floor(x) | x (Number) | Returns the largest integer ≤ x. |
log10(x) | x (Number) | Returns the base‑10 logarithm of x. |
average(arr) | arr (Array of Numbers) | Returns the arithmetic mean of the array. |
log(x) | x (Number, > 0) | Returns the natural (base e) logarithm of x. |
exp(x) | x (Number) | Returns e raised to the power of x. |
mean(arr) | arr (Array of Numbers) | Alias for average(arr). |
mode(arr) | arr (Array of any values) | Returns the most frequent element in the array. |
sign(x) | x (Number) | Returns −1 if x<0, 0 if x=0, 1 if x>0. |
log2(x) | x (Number) | Returns the base‑2 logarithm of x. |
Detailed Examples
1. abs(x)
import math
show(math.abs(-5))
Output:
5
2. pow(x, y)
import math
show(math.pow(2, 3))
Output:
8
3. sqrt(x)
import math
show(math.sqrt(9))
Output:
3
4. sin(x)
import math
// 1.5708 radians ≈ π/2
show(math.sin(1.5708))
Output:
1
5. cos(x)
import math
show(math.cos(0))
Output:
1
6. tan(x)
import math
show(math.tan(0))
Output:
0
7. round(x)
import math
show(math.round(3.6))
Output:
4
8. random()
import math
show(math.random())
Output:
(example; actual value varies)
0.7324
9. random(start, end)
import math
show(math.random(1, 5))
Output:
(example; actual value varies between 1 and 4)
3
10. max(x, y, ...)
import math
show(math.max(-1, 3, 2))
Output:
3
11. min(x, y, ...)
import math
show(math.min(-1, 3, 2))
Output:
-1
12. sum(arr)
import math
show(math.sum([1, 2, 3, 4]))
Output:
10
13. ceiling(x)
import math
show(math.ceiling(3.2))
Output:
4
14. floor(x)
import math
show(math.floor(3.8))
Output:
3
15. log10(x)
import math
show(math.log10(100))
Output:
2
16. average(arr)
import math
show(math.average([2, 4, 6]))
Output:
4
17. log(x)
import math
show(math.log(1))
Output:
0
18. exp(x)
import math
show(math.exp(1))
Output:
2.718281828459045
19. mean(arr)
import math
show(math.mean([2, 5, 5, 8]))
Output:
5
20. mode(arr)
import math
show(math.mode([1, 2, 2, 3, 3, 3, 4]))
Output:
3
21. sign(x)
import math
show(math.sign(-10))
show(math.sign(0))
show(math.sign(10))
Output:
-1
0
1
22. log2(x)
import math
show(math.log2(8))
Output:
3