noxz-sites

A collection of a builder and various scripts creating the noxz.tech sites
git clone git://git.noxz.tech/noxz-sites
Log | Files | Refs | README | LICENSE

commit a203d958bc494519e4428537817c9e6b7e8da203
parent 7af9c83bca436e505783c6cfb5aae0b15f9c837f
Author: Chris Noxz <chris@noxz.tech>
Date:   Wed, 25 Sep 2019 13:05:57 +0200

Emphasise integers are being used when proving divisibility

Diffstat:
Mnoxz.tech/guides/mathematics/index.md | 7++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/noxz.tech/guides/mathematics/index.md b/noxz.tech/guides/mathematics/index.md @@ -29,7 +29,8 @@ out there. When it comes to divisibility there exists some neat theorems to test a certain number's different divisibilities, or factors. Following are those theorems and their proof. Some of the proofs are more trivial than others, such as the proof -for divisibility by 1, 2, 5 and 10. +for divisibility by 1, 2, 5 and 10. From here on out it's assumed that every +number, when working with divisibility, is an integer. What is the smallest number that is divisible by 1 through 10? The answer is {- class="spoiler"}2520{--}. You can try the different divisibility theorems @@ -1324,7 +1325,7 @@ divisible by 10. {--} ### {- id="math-div-theorems-11"}Divisibility by 11{--} -The theorem goes that an integer number is divisible by 11 if, and only if, the +The theorem goes that a number is divisible by 11 if, and only if, the alternate sum of its digits is divisible by 11, like so: {- class="math block"} @@ -1579,7 +1580,7 @@ expression is divisible by 11, and so the theorem is proven. ..{--} {--} -We have shown that the procedure above will hold for all cases, as the integer +We have shown that the procedure above will hold for all cases, as the number can be extended with infinite digits and still follow the same pattern. {- id="math-fractions"}Fractions{--}