Infinityplusone

For other uses, see Infinity plus one.

Subash Chandar K (born 1981 or 1982^[2]) is an Indian-New Zealand mathematics teacher in Auckland. He runs a YouTube channel named infinityplusone, where he teaches secondary school students and prepares them for NCEA exams. In 2025 Chandar K was awarded the Local Hero of the Year award at the New Zealander of the Year Awards.

infinityplusone
Personal information
Born	Subash Chandar K 1981 or 1982 (age 42–43)
YouTube information
Channel	infinityplusone
Subscribers	59,900[1]
Views	7.3 million[1]
Last updated: 21 March 2025

Biography

Chandar K moved from Chennai, India, to New Zealand aged 12. His mother was a maths professor in Chennai.^[2] As of 2025, Chandar K lives in Auckland and teaches at Ormiston Junior College in Flat Bush.^[3]

His YouTube channel infinityplusone has 60,000 subscribers as of March 2025, and was named after the amount he loves his wife.^[3] On the channel he helps students prepare for NCEA exams by running live streams the nights before the exams are run,^[4] and makes videos which explain how to use equations and calculators.^[5] The channel was started in 2013^[2] because Chander K noticed a lack of maths videos designed for children.^[6] His first live stream was in 2018.^[2]

In 2018 Chandar K won the National Excellence in Education Awards top honour. In January 2025 Chandar K became one of the 10 finalists of the Global Teacher Prize. Chandar K said that after he discovered the award in 2017, he began working towards it.^[5] In March 2025 Chandar K was awarded the Local Hero of the Year award at the New Zealander of the Year Awards.^[3]