$sub[]

The function $sub[] performs a subtraction between two values: a - b.

Syntax

$sub[a;b]

Parameters

Parameter	Type	Required	Description
a	number	Yes	The starting value (minuend).
b	number	Yes	The value to subtract (subtrahend).

Behavior

• Returns a - b.
• The result can be negative.
• Supports decimal numbers.
• If the values are not numerical, the behavior is undefined.

Examples

Simple subtraction:

$sub[10;3]
→ 7

Negative result:

$sub[5;10]
→ -5

With decimals:

$sub[10.5;3.2]
→ 7.3

Profit calculation:

$sub[$getVar[revenue];$getVar[expense]]

Notes

• Only two arguments are accepted. To subtract several values, nest the calls: $sub[$sub[a;b];c] or use $calculate[a - b - c].
• The separator is the semicolon ;.