| Subject | English | Tamil |
| comp., MS | access number | அணுகல் எண் (A phone number that subscribers can dial to reach online services) |
| comp., MS | bank transit number | வங்கி பரிமாற்ற எண் (A unique bank registration number that a bank uses to identify itself) |
| comp., MS | complex number | சிக்கலான எண் (A number in the form a + bi, where a and b are real numbers and i = sqrt(-1) , so that bi is imaginary unless b = 0) |
| comp., MS | in-country number format | உள்நாட்டு எண் வடிவமைப்பு (The string that is used to define how to create an in-country/region number to use when making calls from a dial plan) |
| comp., MS | in-country/region number format | உள்நாட்டு/மண்டல எண் வடிவமைப்பு (The string that is used to define how to create an in-country/region number to use when making calls from a dial plan) |
| comp., MS | international number format | சர்வதேச எண் வடிவமைப்பு (The string that is used to define how to dial someone from outside of their country/region) |
| comp., MS | not a number | எண் அல்ல (A value that represents the result of an invalid calculation) |
| comp., MS | number sign | எண் குறி (The character) |
| comp., MS | ordinal number | வரிசைமுறை எண் (A number whose form indicates position in an ordered sequence of items, such as first, third, or twentieth) |
| comp., MS | Permanent Account Number | நிரந்தர கணக்கு எண் (A 10-character alphanumeric identifier issued by the Indian Income Tax Department to all taxable entities for taxation and identification purposes) |
| comp., MS | personal identification number | தனிநபர் அடையாள எண் (A unique and secret identification code similar to a password that is assigned to an authorized user and used to gain access to personal information or assets via an electronic device) |
| comp., MS | pilot number | பைலட் எண் (A telephone number that points to a hunt group and is the access number for calls that are routed to Unified Messaging servers) |
| comp., MS | port number | முனைய எண் (A number that identifies a certain Internet application. For example, the default port number for the WWW service is 80) |
| comp., MS | serial number | வரிசை எண் (A number assigned to a specific inventory item to identify it and differentiate it from similar items with the same item number) |
| comp., MS | subscriber access number | சந்தாதாரர் அணுகல் எண் (A number that is configured in a Private Branch eXchange (PBX) that allows a subscriber to access their Microsoft Exchange mailbox over the telephone) |
| comp., MS | week number | வார எண் (The weeks of the year are assigned a number from 1 to 52, called week numbers. When you turn on week numbers, they appear on the left side of the Date Navigator in Calendar) |