Example to calculate value of e

As Per CA Nagendra Sah's :

Method to Calculate value of 0.556

For this you have to remember value of “e”. Value of e = 2.71828

It means we have to calculate the value of 2.71828 0.556

Follow following step on calculator:

2.71828  √ √  √  √  √  √  √  √  √  √  √  √  (i.e press 12 times: square root)

 

 


 

 

-      1    (i.e. press "minus", then "one")


X     0.556  (i.e. press "Multiply", then "0.556")


+   1   (i.e. press "Plus", then "1")


X =    X =      X =   X =   X =   X =   X =   X =   X =   X =   X =   X =  (i.e. press 12 times: "multiply" and "=")


Now you have 1.74373 on your calculator.


 

 

--it means  e 0.556 = 1.7437

Replies (5)
Quick Summary
Explains a shortcut to approximate e power 0.556 using repeated square roots and basic calculator steps, giving result about 1.7437. Also shows simple methods to estimate logs and roots without scientific calculators.

WE CAN ALSO CALCULTE THE LOG BY USING SIMPLE CALCULATOR.................................

 


HOW TO FIND LOG BY USING SIMPLE CALCULATOR??????????

 

1.    WRITE 2.7183

2.    TAP ‘ ‘ (i.e. Square Root) 12 times

3.    DEDUCT ‘ 1 ‘

4.    PRESS ‘ M+ ‘ KEY

5.    WRITE THE NO. OF WHICH ,YOU WANT TO FIND LOG

             (E.G. LOG 5 THEN WRITE 5)

6. TAP ‘ ‘ (i.e. Square Root) 12 times

     7. DEDUCT ‘ 1 ‘

     8. PRESS ‘ ÷

     9. PRESS ‘ MRC’

    10. PRESS ‘ = ‘ (ANSWER WILL BE IN BASE e)

 

IF TO FIND IN THE BASE OF 10 THEN :-

     11. PRESS ‘ X ‘ (i.e. MULTIPLY BY) AND WRITE 0.4343

     12. PRESS ‘ = ‘ (ANSWER WILL BE IN BASE 10)

 

DOWNLOAD IT THE ATTACHED FILE....................

 

I HAVE FOUND IT ON CCI YESTERDEY...................

 

 

                           

 

 

thanks Mr. Khan...:)

click

CA Nagendra Sah as best SFM Prof.

HOW TO FIND nth ROOT BY USING SIMPLE CALCULATOR????

 

  1. WRITE THE NO. OF WHICH YOU WANT TO FIND nTH ROOT
  2. TAP ‘ ‘ (SQUARE ROOT) 12 TIMES
  3. DEDUCT  ‘ 1 ’
  4. DIVIDE BY ‘N’ (i.e. nth ROOT)
  5. ADD ‘ 1 ‘
  6. TAP ‘ X = , X= ……….’ 12 TIMES (i.e. MULTYPLY & EQUAL TO)

 

thanks for sharing

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