Is advancements in mathematics from ancient India are still important or hard to understand today?

Advancements in mathematics from ancient India, such as the concept of zero and the decimal system, remain foundational to modern mathematics and are crucial for various fields including science, engineering, and finance. While some of the original texts may be challenging to understand due to their historical context and notation, their underlying principles are integral to contemporary mathematical education. Thus, while the historical aspects may seem complex, their practical applications are vital and accessible today.