Kaṇakkatikāram

Kaṇakkatikāram is a Tamil mathematics book believed to have been written by Kari Nayanar hailing from Korakaiyur in Cholanad. Considering the internal evidences, the work has been dated to 15th century CE. "It is significant that the mathematical methods found in these delves into the material life of the people and approach the dimensions of daily labor enumeratively." According to the author, the contents of the book are based on material available in standard Sanskrit treatises on mathematics like 'Līlāvatī".

Kaṇakkatikāram in Malayalam
Kaṇakkatikāram was popular in Kerala also and it had been in wide use as a textbook for teaching arithmetic to children in the elementary schools in Kerala during the pre-Independence era. A Malayalam adaptation of work with some additional mathematical material and explanations, authored by Mavanan Mappila Seyd Muhammed Asan, was printed and published by CMS Press Kottayam in 1863. The title of the Malayalam version of the book is Kaṇakkadhikāram.

Contents
Kaṇakkatikāram deals with the arithmetical calculations that are likely to be required in the daily life of ordinary people. For example, it deals with computations involving quantitative measurements of paddy, wood, other agricultural produce, land, gold, etc. and also the computations of the daily, monthly wages of field workers, etc. The Malayalam version has a 54-page preamble devoted to explaining the notations for whole numbers, fractions and multiplication tables for whole numbers and fractions.