Gopalakrishnayya Siddhanti, Rallabhandi Original: 'Gopalakrishnayya Siddhanti, Rallabhandi'. Rallabhandi is the family name. 'Siddhanti' is a traditional title for an expert in the Siddhantas, the ancient Indian treatises on astronomy and mathematics.

The Mathematician’s Delight Original: Ganakaranjani. This title is composed of 'Ganaka' (mathematician, calculator, or astrologer) and 'Ranjani' (delighting or pleasing), common in Sanskrit-influenced titles to suggest a work that makes a complex subject enjoyable.

Madras, 1912 Madras is the historical name for the city now known as Chennai, in Tamil Nadu, India.