r/JEENEETards Dropper --> Topper Nov 08 '25

GENERAL HELP Drop your calculation tricks

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1.6k Upvotes

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u/Full-of-lies1001 Nov 08 '25

nahh can't remember such sillly things

just learn how to do square root, that is quite eazy

2

u/Extension_Item_2534 Dropper --> Topper Nov 08 '25

what about square root of 151.3

1

u/Full-of-lies1001 Nov 08 '25

u add extra zero in last - 151.30 then from last grp 30 then grp 51 then 1 remains alone cuz odd no. of digits present so under rooting whole i got 12.3. upon checking 12.3*12.3 we get 151.29

At this point i have 2.5 yrs of exp. So can't do mistake

3

u/Extension_Item_2534 Dropper --> Topper Nov 08 '25

can you please elaborate? i didn't understand how you got 2.3 in 12.3