Achyuta Pisharati - Works

Works

He discovered the technique of 'the reduction of the ecliptic'. He authored Sphuta-nirnaya, Raasi-gola-sphuta-neeti (raasi meaning zodiac, gola meaning sphere and neeti roughly meaning rule), Karanottama (1593) and a four- chapter treatise Uparagakriyakrama on lunar and solar eclipses.

  1. Praveśaka
    An introduction to Sanskrit grammar.
  2. Karaṇottama
    Astronomical work dealing with the computation of the mean and true longitudes of the planets, with eclipses, and with the vyatūpātas of the sun and moon.
  3. Uparāgakriyākrama (1593)
    Treatise on lunar and solar eclipses.
  4. Sphuṭanirṇaya
    Astronomical text.
  5. Chāyāṣṭaka
    Astronomical text.
  6. Uparāgaviṃśati
    Manual on the computation of eclipses.
  7. Rāśigolasphuṭānūti
    Work concerned with the reduction of the moon’s true longitude in its own orbit to the ecliptic.
  8. Veṇvārohavyākhyā
    Malayalam commentary on the Veṇvāroha of Mādhava of Saṅgamagrāma (ca. 1340–1425) written at the request of Netranārāyaṇa.
  9. Horāsāroccaya
    An adaptation of the Jātakapaddhati of Śrīpati.

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