Resolve "Vzorce pomocí - Arithmatex"

Closes #47

docs.it4i/anselm/job-priority.md

@@ -26,7 +26,7 @@ Fair-share priority is used for ranking jobs with equal queue priority.
 
 Fair-share priority is calculated as
 
-![](../img/fairshare_formula.png)
+---8<--- "fairshare_formula.md"
 
 where MAX_FAIRSHARE has value 1E6,
 usage<sub>Project</sub> is cumulated usage by all members of selected project,
@@ -52,7 +52,7 @@ Eligible time can be seen as eligible_time attribute of job.
 
 Job execution priority (job sort formula) is calculated as:
 
-![](../img/job_sort_formula.png)
+---8<--- "job_sort_formula.md"
 
 ### Job backfilling
 
@@ -68,3 +68,5 @@ It means, that jobs with lower execution priority can be run before jobs with hi
     It is **very beneficial to specify the walltime** when submitting jobs.
 
 Specifying more accurate walltime enables better scheduling, better execution times and better resource usage. Jobs with suitable (small) walltime could be backfilled - and overtake job(s) with higher priority.
+
+---8<--- "mathjax.md"