Sigmakey: Math Keyboard
Type LaTeX, fractions, roots
About
This utility provides a specialized keyboard for typing mathematical expressions, including fractions, roots, and Greek letters, directly within any app. It supports LaTeX, Unicode, and image output, with on-device processing for privacy and speed.
What's New in Sigmakey
1.0
August 6, 2026
Subscriptions & In-App Purchases
$9.99
Sigmakey Pro
Unlock image / PNG export and matrix template
Developer apps
FAQ
What is Sigmakey?
Sigmakey is a specialized keyboard designed to allow users to type mathematical expressions, symbols, and equations directly within any application that supports text input.
Can Sigmakey type LaTeX?
Yes, Sigmakey supports typing in LaTeX format, alongside plain Unicode and rendered images, allowing for versatile integration with different applications.
Does Sigmakey require an internet connection?
No, all typesetting is performed on the device, ensuring privacy and functionality without the need for a network connection.
What devices does Sigmakey support?
Sigmakey is available for iPhone and iPad devices.
What is the age rating for Sigmakey?
Sigmakey has an age rating of 4+, making it suitable for a wide range of users.
How often is Sigmakey updated?
The latest version, 1.0, was released on August 6, 2026, and the app was last updated on the same date, indicating recent development.
What is the user rating for Sigmakey?
Sigmakey currently has a rating of 2.0 stars based on 1 review.
Does Sigmakey have ads?
No, Sigmakey does not contain advertisements.
