Asthana Kolahalam is the title of two different Tamil books both dealing with elementary mathematics but with totally different contents. One of them was published by Government Oriental Manuscripts Library (GOML), Madras (now Chennai) in 1951 with 167 pages and the other published by Saraswathi Mahal Library (SML), Thanjavur, Tamil Nadu in 2004 with 306 pages. Both books are based on old palm-leaf manuscripts with the same title composed in the form of verses and both contain explanations and illustrative examples. [1] [2]
The title "Asthana Kolahalam" may be literally translated as "assembly room (royal audience place) uproar" and the term "uproar" suggests making the audience happy, jovial and cheerful.
GOML's "Asthana Kolahalam" publication is based on a single palm-leaf manuscript submitted to GOML in 1921 by one Sankaravenkataramayyangar of Periyakulam. The work contains 57 stanzas of various meters including an invocation stanza. These stanzas specify rules for carrying out elementary arithmetical operations.
One interesting feature of this work is that bulk of the work has been devoted to discussing topics in mathematics not contained in the various stanzas of the original manuscript. After completing the explanation of stanza 46 in page 52, the editor embarks on a grand detour of various topics in mathematics and returns to stanza 47 only in page 140. The context for this digression is apparently the value of the mathematical constant pi. The topics covered in this detour include the history of the computations of the value of pi (incidentally, he mentions Sangamagrama Madhava's approximate value of pi also, namely the value 2827433388233/(9 x 1011) ), the various trigonometric functions, formula for the area of a circle, formulas for the surface area and volume of cones, cylinders, etc., formulas for the circumference and area of ellipses, Pythagorean theorem and several related geometrical problems. [3]
SML's "Asthana Kolahalam" is a work compiled from three different palm leaf manuscripts kept in SML, all having the same title. There are altogether 92 verses in the work. As per one of the verses in the text, the author of the work is Naviliperumal, son of Nagan. The date of composition of the manuscripts has not been determined. This publication carries detailed explanations of the various verses by K. Sathyabhama.
Thanjavur, also known as Thanjai, previously known as Tanjore, is a city in the Indian state of Tamil Nadu. It is the 11th biggest city in Tamil Nadu. Thanjavur is an important center of southern Indian religion, art, and architecture. Most of the Great Living Chola Temples, which are UNESCO World Heritage Monuments, are located in and around Thanjavur. The foremost among these, the Brihadeeswara Temple, built by the Chola emperor Rajaraja I, is located in the centre of the city. This temple has one of the largest bull statues in India carved out of a single granite rock. Thanjavur is also home to Tanjore painting, a painting style unique to the region. Thanjavur is the headquarters of the Thanjavur District. The city is an important agricultural centre located in the Kaveri Delta and is known as the Rice bowl of Tamil Nadu. Thanjavur is administered by a municipal corporation covering an area of 36.31 km2 (14.02 sq mi) and had a population of 222,943. Roadways are the major means of transportation, while the city also has rail connectivity. The nearest airport is Tiruchirapalli International Airport, located 59.6 km (37.0 mi) away from the city. The nearest seaport is Karaikal, which is 94 km (58 mi) away from Thanjavur. The city first rose to prominence during the reign of the Cholas when it served as the capital of the empire. After the fall of the Cholas, the city was ruled by various dynasties such as the Mutharaiyar dynasty, the Pandyas, the Vijayanagar Empire, the Madurai Nayaks, the Thanjavur Nayaks, the Thanjavur Marathas and the British Empire. It has been a part of independent India since 1947.
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