Jisho.org: Japanese Dictionary

対数積分

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Wikipedia definition

1. Logarithmic integral functionIn mathematics, the logarithmic integral function or integral logarithm li(x) is a special function. It occurs in problems of physics and has number theoretic significance, occurring in the prime number theorem as an estimate of the number of prime numbers less than a given value.
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Read “Logarithmic integral function” on DBpedia

0.14830431463778124

7 strokes. JLPT N3. Jōyō kanji, taught in grade 3.

対

vis-a-vis, opposite, even, equal, versus, anti-, compare

Kun: あいて、こた.える、そろ.い、つれあ.い、なら.ぶ、むか.う

On: タイ、ツイ

0.43037330522336525

13 strokes. JLPT N3. Jōyō kanji, taught in grade 2.

数

number, strength, fate, law, figures

Kun: かず、かぞ.える、しばしば、せ.める、わずらわ.しい

On: スウ、ス、サク、ソク、シュ

3.1463778125113593

16 strokes. JLPT N3. Jōyō kanji, taught in grade 4.

積

volume, product (x*y), acreage, contents, pile up, stack, load, amass

Kun: つ.む、 -づ.み、つ.もる、つ.もり

On: セキ

0.13958053142379412

4 strokes. Jōyō kanji, taught in grade 2.

分

part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100

Kun: わ.ける、わ.け、わ.かれる、わ.かる、わ.かつ

On: ブン、フン、ブ

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