Update

often_confused.md

@@ -10,6 +10,7 @@ There exist many terms that are highly similar and can legitimately be used inte
 - **[algebra](algebra.md)** vs **[arithmetic](arithmetic.md)** vs **[math](math.md)** vs **[logic](logic.md)**
 - **[algorithm](algorithm.md)** vs **[program](program.md)** vs **[process](process.md)** vs **[heuristic](heuristic.md)** vs **[source code](source_code.md)** vs **[software](sw.md)**
 - **[algorithm](algorithm.md)** vs **[logarithm](logarithm.md)** lol
+- **aliquot divisor** vs **divisor** vs **proper divisor** vs **[prime](prime.md) divisor**
 - **America** vs **[USA](usa.md)**
 - **[anagram](anagram.md)** vs **[palindrome](palindrome.md)**
 - **[analog](analog.md)** vs **[mechanical](mechanical.md)** vs **non-electronic**
@@ -113,7 +114,7 @@ There exist many terms that are highly similar and can legitimately be used inte
 - **[evolutionary programming](evolutionary.md)** vs **[evolutionary algorithm](evolutionary.md)** vs **[genetic programming](genetic_programming.md)** vs **[genetic algorithm](genetic_algorithm.md)**
 - **[equality](equality.md)** vs **[identity](identity.md)** (in programming languages)
 - **[fail safe](fail_safe.md)** vs **safe** vs **[secure](security.md)** vs **robust** vs **reliable** vs **tested** etc.
-- **[floating point number](float.md)** vs **[real number](real_number.md)** vs **[fixed point number](fixed_point.md)** vs **[rational number](rational_number.md)**
+- **[floating point number](float.md)** vs **[real number](real_number.md)** vs **[fixed point number](fixed_point.md)** vs **[rational number](rational_number.md)** vs **[fraction](fraction.md)**
 - **[font](font.md)** vs **[typeface](typeface.md)**
 - **[forwarding](forwarding.md)** vs **[routing](routing.md)** vs **[switching](switching.md)**
 - **[framework](framework.md)** vs **[library](library.md)** vs **[module](module.md)**
@@ -134,6 +135,7 @@ There exist many terms that are highly similar and can legitimately be used inte
 - **intelligence** vs **[IQ](iq.md)**
 - **[Internet](internet.md)** vs **[web](web.md)**
 - **[interpolation](interpolation.md)** vs **[regression](regression.md)**
+- **it's** vs **its**
 - **[Java](java.md)** vs **[JavaScript](js.md)**
 - **[kB/mB/gB/tB](memory_units.md)** vs **[KiB/MiB/GiB/TiB](memory_units.md)** vs **KB/MB/GB/TB**
 - **[latency/ping/lag](latency.md)** vs **[throughput/bandwidth](throughput.md)** vs **speed**
@@ -176,6 +178,7 @@ There exist many terms that are highly similar and can legitimately be used inte
 - **[Unicode](unicode.md)** vs **[UTF](utf.md)**
 - **[webpage](webpage.md)** vs **[website](website.md)**
 - **[wiki](wiki.md)** vs **[Wikipedia](wikipedia.md)**
+- **you're** vs **your**
 - ...
 
 ## See Also