Byju's

GeoGebra (a portmanteau of geometry and algebra) is an interactive geometry, algebra, statistics and calculus application, intended for learning and teaching mathematics and science from primary school to university level. GeoGebra is available on multiple platforms, with apps for desktops (Windows, macOS and Linux), tablets (Android, iPad and Windows) and web. As of 2025, it is owned by Indian edutech firm Byju's.

Co-founder of Byju’s

'''Byju's (stylised as BYJU'S''') was an Indian multinational educational technology company, headquartered in Bengaluru. It was founded in 2011 by Byju Raveendran and Divya Gokulnath. At its peak, it was the world's most valuable edtech startup, with a valuation of $22 billion in 2022. However, by October 2024, multiple media reports indicated that its valuation had effectively dropped to zero. As of April 2023, BYJU'S claimed to have over 150 million registered students.

Founder and CEO of BYJU's