---
title: "init(radicandExpressions:rootIndexExpression:)"
framework: Accessibility
role: symbol
role_heading: Initializer
platforms: [iOS 18.2+, iPadOS 18.2+, Mac Catalyst 18.2+, macOS 15.2+, tvOS 18.2+, visionOS 2.2+, watchOS 11.2+]
path: "accessibility/axmathexpressionroot/init(radicandexpressions:rootindexexpression:)"
---

# init(radicandExpressions:rootIndexExpression:)

## Declaration

```swift
init(radicandExpressions: [AXMathExpression], rootIndexExpression: AXMathExpression)
```