Difference between revisions of "Template:Arsum"

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(bad math is baaddd)
Line 12: Line 12:
 
Start = 1/2 = 0.5
 
Start = 1/2 = 0.5
 
Count = 10
 
Count = 10
End = 10/2 = 5.5
+
End = 10/2 = 5
  
 
Correct formula is: (0.5*count*(start+end))
 
Correct formula is: (0.5*count*(start+end))

Revision as of 01:51, 12 February 2016

Simple arithmetic sum function.

Use:{{arsum|<start>|<end>|<count>}}

Description start - min value count - number of steps end - max value

eg: Sum (x/2) from 1->10 Start = 1/2 = 0.5 Count = 10 End = 10/2 = 5

Correct formula is: (0.5*count*(start+end))

For above example:

(0.5*10*(1/2+10/2)) = 5*(11/2) = 27.5