पाटीगणित (श्रीधराचार्य - प्राचीन संस्कृत टीका एवं प्रो. कृपाशंकर शुक्ल सविस्तार व्याख्या)

INTRODUCTION xvii
a similar example in the Gaṇita-kaumudî of Nârâyaṇa
proves Śrîdharâcârya’s influence on Nârâyaṇa.
(3) Interpretation of arithmetic series both geometrically and
symbolically. (Rules 79-93)
This is the only work where we find this dual treat-
ment of the subject.
(4) Rule telling us how two travellers starting at different
times with different speeds and accelerations would meet
two times on the way. (Rule 97-98)
This rule again is probably due to Śrîdharâcârya,
and reappears in the Gaṇita-kaumudî of Nârâyaṇa under
the influence of the former.
Besides the above-mentioned specialities which relate to
the subject matter of the Pâṭîgaṇita, there is one more pecu-
liarity which pertains to the composition of the Pâṭîgaṇita and
deserves special notice. This lies in the fact that the
author has taken care to employ exclusively the âryâ metre in
the formation of verses giving the rules. There is not a single
rule which is in any other metre. This, however, cannot be
said regarding the verses containing the examples; although
the examples are also generally set in the same metre. We
find that out of 133 examples, 104 are in the âryâ metre, 26 in
the anuṣṭup metre, 1 in upajâti, 1 in śârdûlavikrîḍit, and 1 in
vasantatilakâ.¹
3·2. The Patiganita-sara ( or Trisatika ). The Pâṭî-
gaṇita-sâra, as its name implies and as the author himself
says in the opening stanza to that work, is an abstract of the

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¹ Exs. 1-15, 17-31, 33,.36-44, 47, 50-56, 59-66, 69, 72, 76-77, 86-88,
91-103, 106-133 are in the âryâ metre; Exs. 34, 35, 45, 46, 48, 49, 57, 58
67, 68, 71, 73-75, 78-85, 89, 90, 104, 105 are in anuṣṭup; Ex. 16 is in
upajâti; Ex. 32 is in Śârdûlavikrîḍit; and Ex. 70 is in vasantatilakâ.