Number

Numbers in Duso are floating-point values (64-bit floats). Used for arithmetic, counting, and any numeric operations.

Creating Numbers

count = 42
price = 19.99
negative = -5
zero = 0
scientific = 1.23e4

Arithmetic Operations

All standard arithmetic operators work with numbers:

a = 10
b = 3

print(a + b)   // 13 (addition)
print(a - b)   // 7 (subtraction)
print(a * b)   // 30 (multiplication)
print(a / b)   // 3.333... (division)
print(a % b)   // 1 (modulo)

Comparison

Numbers can be compared:

print(5 < 10)     // true
print(5 == 5)     // true
print(5 != 3)     // true
print(5 >= 5)     // true

Type Conversion

Convert other types to numbers with tonumber():

num = tonumber("42")      // 42
num = tonumber("3.14")    // 3.14
num = tonumber(true)      // 1

Math Functions

Duso provides math functions for common operations:

• floor() - Round down
• ceil() - Round up
• round() - Round to nearest
• abs() - Absolute value
• min() - Minimum of values
• max() - Maximum of values
• sqrt() - Square root
• pow() - Exponentiation
• clamp() - Constrain between min/max

Boolean Context

In conditions, numbers are truthy except for 0:

if 1 then print("true") end      // prints
if 0 then print("true") end      // doesn't print