@num

Evaluate an arithmetic expression or convert a value to a number.

On-chain (@num!): Composes live calls and constants with on-chain arithmetic: + - * / % ^ and xor.

Returns: number

Syntax

@num(...tokens)

Arguments

Name	Type	Description
[...tokens]	any	Arithmetic expression (e.g. $a + $b * 2)

Examples

# Basic arithmetic
set $sum @num(1 + 2)

# Exponentiation
set $pow @num(2 ^ 10)

# Expression with variables
set $a 10
set $b 3
set $result @num($a * $b + 1)

# Convert a string to number
set $n @num("42")

See Also

• @num.format — format with decimals (like formatUnits)
• @num.parse — parse a decimal string (like parseUnits)
• @bool — boolean expressions

On-chain face (@num!)

Compose live calls and constants with on-chain arithmetic (+ - * / % ^, xor), evaluated at assertion time via the operators contract.