Results 121 to 130 of about 13,940 (205)

Unearthing the determinants of digital innovation adoption in the agricultural sector: The role of food security awareness and agricultural experience. [PDF]

Heliyon
Aboagye-Darko D, Mkhize P.
europepmc   +1 more source

Towards a mathematical framework for modelling cell fate dynamics. [PDF]

J Math Biol
Vittadello ST, Diaz L, Liu Y, Zanca A, Stumpf MPH.   +4 more
europepmc   +1 more source

Selective ensemble method for anomaly detection based on parallel learning. [PDF]

Sci Rep
Liu Y, Zhu L, Ding L, Huang Z, Sui H, Wang S, Song Y.   +6 more
europepmc   +1 more source

Origins of numbers: a shared language-of-thought for arithmetic and geometry? [PDF]

Trends Cogn Sci
Dehaene S, Sablé-Meyer M, Ciccione L.
europepmc   +1 more source

Selection on synonymous codon usage in soybean (Glycine max) WRKY genes. [PDF]

Sci Rep
Sinha K, Jana S, Pramanik P, Bera B.
europepmc   +1 more source

Divisibility rule for seven

The Arithmetic Teacher, 1969
None of the usual simple rules for divisibility apply to the prime number seven. Below is a little-known rule, which is fairly practical, and its explanation gives one more good excuse to use the distributive property, which is, after place value, the most important concept of elementary mathematics.
Frank Rogers
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A Simpler “7” Divisibility Rule

The Mathematics Teacher, 1971
The choice of title for this article is prompted by the title of an interesting article, by Professor Matthews concerning a so-called scratch method for determining divisibility by the primes 7, 11, and 13.1 If the reader has not read that earlier article, he would probably find it interesting and helpful to do so, since some of the simple divisibility
Calvin T. Long
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A Simple “7” Divisibility Rule

The Mathematics Teacher, 1969
There's magic in the number 1,001, which is as old as the tales of the Arabian Nights. A little-used algorithm makes use of that magic to reveal divisibility by those mystic primes, 7, 11, and 13, almost as easily as rubbing a magic lantern. Unlike Aladdin, we shall probably not be content to use the scheme unless we know why it works.
Elana Matthews
openaire   +2 more sources