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  2. Indian units of measurement - Wikipedia

    en.wikipedia.org/wiki/Indian_units_of_measurement

    In Hindi ½ Seer = Adha (½) Seer, or Adher 1 Ser = 2 Adher = 4 Pav = 16 Chattank = 80 Tola = 933.1 grams 1 Savaser = 1 Ser + 1 Pav (1¼ Seer) 1 Savaser weighed 100 Imperial rupees In Hindi 1¼ Seer = Sava (1¼) Seer, or Savaser 1 Dhaser = 2 Savaser = 2½ Seer In Hindi 2½ Seer = Dhai (2½) Seer, or Dhaser 1 Paseri = 2 Adisari = 5 Seer

  3. Bakhshali manuscript - Wikipedia

    en.wikipedia.org/wiki/Bakhshali_manuscript

    This formula is contained in Bakshali Manuscript, folio 4v, rule 17 (Kaye III, p. 176) as follows: Ādyor viśeṣa dviguṇam cayasaṃdhiḥ-vibhājitam Rūpādhikaṃ tathā kālaṃ gati sāmyam tadā bhavet. "Twice the difference of the initial terms divided by the difference of the common differences is increased by one.

  4. List of formulas in elementary geometry - Wikipedia

    en.wikipedia.org/wiki/List_of_formulas_in...

    Area#Area formulas – Size of a two-dimensional surface; Perimeter#Formulas – Path that surrounds an area; List of second moments of area; List of surface-area-to-volume ratios – Surface area per unit volume; List of surface area formulas – Measure of a two-dimensional surface; List of trigonometric identities

  5. Measurement - Wikipedia

    en.wikipedia.org/wiki/Measurement

    This system reduces all physical measurements to a mathematical combination of seven base units. The science of measurement is pursued in the field of metrology. Measurement is defined as the process of comparison of an unknown quantity with a known or standard quantity.

  6. Brahmagupta - Wikipedia

    en.wikipedia.org/wiki/Brahmagupta

    Brahmagupta (c. 598 – c. 668 CE) was an Indian mathematician and astronomer.He is the author of two early works on mathematics and astronomy: the Brāhmasphuṭasiddhānta (BSS, "correctly established doctrine of Brahma", dated 628), a theoretical treatise, and the Khandakhadyaka ("edible bite", dated 665), a more practical text.

  7. Sridhara - Wikipedia

    en.wikipedia.org/wiki/Sridhara

    Śrīdhara wrote two extant mathematical treatises. The first, Pāṭīgaṇita, also called Bṛhat-Pāṭi ("Bigger Pāṭi") and Navaśatī ("Having 900"), extensively covered the practical mathematics of the time including arithmetic and mensuration (the part of geometry concerned with calculating sizes, lengths, areas, and volumes). [1]

  8. Līlāvatī - Wikipedia

    en.wikipedia.org/wiki/Līlāvatī

    Henry Thomas Colebrooke, Algebra, with Arithmetic and mensuration, from the Sanscrit of Brahmegupta and Bháscara, Page 24, chap 2/3; 1842. Amichandra Shravaga of Jaipur translated Lilavati into Hindi. [4] 1936. Pidaparti Krishnamurti Sastry translated the work into Telugu language and it was published by Srividya press, Vizianagaram. [5] 1975 ...

  9. Brāhmasphuṭasiddhānta - Wikipedia

    en.wikipedia.org/wiki/Brāhmasphuṭasiddhānta

    Brāhmasphuṭasiddhānta is one of the first books to provide concrete ideas on positive numbers, negative numbers, and zero. [4] For example, it notes that the sum of a positive number and a negative number is their difference or, if they are equal, zero; that subtracting a negative number is equivalent to adding a positive number; that the product of two negative numbers is positive.