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12. Rule of addition and subtraction:[2] half a stanza.
The sum of the figures according to their places is to be taken in the direct or inverse order:[3] or [in the case of subtraction] their difference.
13. Example. Dear intelligent Lílávatí,[4] if thou be skilled in addition and subtraction, tell me the sum of two, five, thirty-two, a hundred and ninety-three, eighteen, ten, and a hundred, added together; and the remainder, when their sum is subtracted from ten thousand.
Statement, 2, 5, 32, 193, 18, 10, 100.
[Answer.] Result of the addition, 360.
Statement for subtraction, 10000, 360.
[Answer.] Result of the subtraction, 9640.[5]
14—15. Rule of multiplication:[6] two and a half stanzas.
Multiply the last[7] figure of the multiplicand by the multiplicator, and
- ↑ Paricarmásh◌́taca, eight operations, or modes of process: logistics or algorism.
- ↑ Sancalana, sancalita, miśrana, yuti, yóga, &c. summation, addition. Vyavacalana, vyavacalita, sód'hana, patana, &c. subtraction. Antara, difference, remainder.
- ↑ From the first on the right, towards the left; or from the last on the left, towards the right. Gang.
- ↑ Seemingly the name of a female to whom instruction is addressed. But the term is interpreted in some of the commentaries, consistently with its etymology, "Charming."—See § 1. and 277.
- ↑ Mode of working addition as shown in the Manóranjana:
Sum of the units, 2, 5, 2, 3, 8, 0, 0, 20 Sum of the tens, 3, 9, 1, 1, 0, 14 Sum of the hundreds, 1, 0, 0, 1, 2
Sum of the sums 360 - ↑ Guńana, abhyása; also hańana and any terra implying a tendency to destroy. It is denominated pratyutpannaby Brahmegupta, § 3; and by Śríd'hara, § 15—17.
Guńya multiplicand. Guńaca multiplicator. Ghata product.
- ↑ The digit standing last towards the left. The work may begin either from the first or the last digit, according to Śríd'hara. Ganita-sára, § 15.