1. Computation NounCalculation, Computing  
The procedure of calculating; determining something by mathematical or logical methods.  حساب گنتی 
Recalculation  the act of calculating again (usually to eliminate errors or to include additional data).  
 
2. Computation NounCalculation, Figuring, Reckoning  
Problem solving that involves numbers or quantities.  شمار گنتی 
Conversion  a change in the units or form of an expression:.  

Useful Words
Calculating, Calculative, Conniving, Scheming, Shrewd  چالاک  used of persons; "the most calculating and selfish men in the community".
Coherent, Consistent, Logical, Ordered  معقول  marked by an orderly, logical, and aesthetically consistent relation of parts; "a coherent argument".
Mathematical  ریاضیاتی  of or pertaining to or of the nature of mathematics; "a mathematical textbook".
Method  طریقہ  a way of doing something, especially a systematic way; implies an orderly logical arrangement (usually in steps).
Figure, Number  عدد / نمبر  the property possessed by a sum or total or indefinite quantity of units or individuals; "he had a number of chores to do".
Problem, Trouble  پریشانی / مشکل  a source of difficulty; "Lest you should get into trouble".
Procedure, Process  طریقہ کار  a particular course of action intended to achieve a result; "the procedure of obtaining a driver's license".
Amount, Measure, Quantity  مقدار  how much there is or how many there are of something that you can quantify.
Something  کچھ / کوئی چیز  An undetermined or unspecified thing; "Something went wrong with the car".