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Scorching goIITian

Joined:	26 Aug 2007
Post:	264

21 Nov 2008 15:53:06 IST

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Dear experts and aspirants.Please help me to calculate

None

Dear frnds and sirs,

Most often particularly in chemistry There will be lot of numerical calculation involving squaring .finding sq root

multiplication.Division etc.I face a lot of probs in that area.Therefore please help me to calculate more quickly to

get approximate answers (especially in division )by using significant digits etc.Ur help will be highly useful fr me and will be apreciated and rated.

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Comments (11)

BRUCE DICKINSON

Blazing goIITian

Joined: 26 Nov 2007

Posts: 434

21 Nov 2008 15:55:36 IST

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regrdng calculations u ve 2 practice well...n automatically speed will come.....

Nikhil Bhat

Scorching goIITian

Joined: 26 Aug 2007

Posts: 264

21 Nov 2008 16:11:18 IST

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Take an eg

Here we've got aproximate ans and saved lot of effort.

Can u suggest such tricks

BRUCE DICKINSON

Blazing goIITian

Joined: 26 Nov 2007

Posts: 434

21 Nov 2008 18:03:53 IST

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here c in dat eg..... dr r 2 digits before point... just ignore dat point just add da nos n divide by 100 n u will get 152...

dats the trick 4 u

hope ds help u..
RATE ME IF USEFUL

Sagar Saxena

Forum Expert

Joined: 8 Oct 2008

Posts: 7221

22 Nov 2008 00:44:31 IST

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practice ,practice n practice..beacuse practice makes the man perfect,solve the question related to mathematical calculation very carefully to avoid any mistake

Nikhil Bhat

Scorching goIITian

Joined: 26 Aug 2007

Posts: 264

22 Nov 2008 14:12:04 IST

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So is there no other way we can divide no's aproximately in seconds

JSG

Hot goIITian

Joined: 26 May 2008

Posts: 146

22 Nov 2008 14:17:55 IST

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[plzz rate if useful !]

suppose u want 2 square the number 92

find the product of (92+2) and (92-2)....then add the square of the difference that is 2^2=4

so answer wiull give : 8460+4=8464

Nikhil Bhat

Scorching goIITian

Joined: 26 Aug 2007

Posts: 264

22 Nov 2008 15:29:15 IST

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I will tell u an easier way to square 92

92= 100-8

square 8=64

92-8 =84

so ans is 92square=8464

T ake another eg 98^2

98=100-2

square 2 = 4 = 04

98-2=96

So square 98=9604

These r in vedic maths

Yash: Save Tigers..!!

Blazing goIITian

Joined: 6 May 2008

Posts: 924

22 Nov 2008 18:21:29 IST

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Juz chk out da site --- http://www.glad2teach.co.uk/fast_maths_calculation_tricks.htm

Yash: Save Tigers..!!

Blazing goIITian

Joined: 6 May 2008

Posts: 924

22 Nov 2008 18:21:59 IST

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http://in.youtube.com/watch?v=kZKOPKIHsrc&eurl=http://goiit.com/posts/list/goiit-user-videos-multiplication-using-vedic-mathematics-34558.htm

Yash: Save Tigers..!!

Blazing goIITian

Joined: 6 May 2008

Posts: 924

22 Nov 2008 18:22:27 IST

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http://in.youtube.com/watch?v=8I9viXVr4DM&eurl=http://goiit.com/posts/list/goiit-user-videos-maths-911-grade-12-trig-identities-34880.htm

Yash: Save Tigers..!!

Blazing goIITian

Joined: 6 May 2008

Posts: 924

22 Nov 2008 18:22:49 IST

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Improve your Math calculation speed and power up your weak math. For more such videos visit

http://www.glad2teach.co.uk/fast_maths_calculation_tricks.htm

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