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Discussion > Students > Others >

Find log and antilog by using simple calculator...

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CA CMA DISA(ICAI) B.COM

[ Scorecard : 3097]
Posted On 01 June 2011 at 17:30 Report Abuse

HERE , I AM PROVIDING THE METHOD BY WHICH YOU CAN FIND LOG AND ANTILOG BY USING SIMPLE CALCULATOR AND THERE IS NO NEED OF TABLES..................



 


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Tehsinkhan Pathan
CA CMA DISA(ICAI) B.COM

[ Scorecard : 3097]
Posted On 01 June 2011 at 17:32

FOR , TO FIND LOG

 

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

 

1.    WRITE 2.7183

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

3.    DEDUCT ‘ 1 ‘                          (= 0.00024417206)

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)

 

 

NOTE :- ABOVE 1ST  THEREE STEPS WILL BE COMMON SO IT IS BETTER TO

              REMEMBER THE VALUE ‘ 0.00024417206 ‘

 

 

 

FOR EXAMPLE :- LOG 5 = 0.6990

NOW WE WANT TO FIND LOG OF 5 :-

 

1.    WRITE 0.00024417206

2.    TAP ‘ M+ ‘ KEY

3.    WRITE THE NO. YOU WANT TO FIND THE LOG i.e. 5

4.    TAP ‘ ‘ (i.e. square root) 12 TIMES  (= 1.00039300638)

5.    DEDUCT ‘ 1 ‘  (= 0.00039300638)

6.    TAP ‘ ÷

7.    TAP ‘ MRC ’

8.    TAP ‘ = ’ (1.6095 – ANSWER IN BASE e )

9.    TAP ‘X’ (i.e. MULTIPLY) BY 0.4343 THEN TAP ‘=’

                          (0.6990 – ANSWER IN BASE 10)

 

 

NOTE FOR ABOVE EXAMPLE :-

                  WE CAN DIRECTLY DIVIDE BY 0.00024417206 IN STEP – 7 INSTEAD

              OF USING  ‘MRC’ BUTTON , IN SUCH CASE , THERE IS NO NEED OF

                STEP – 1 & 2. YOU CAN DIRECTLY START FROM STEP -3

 

 TO DOWNLOAD THE SAME , PLEASE FIND THE ATTACHED FILE....

 

                           

 

 



Attached File : 461361 729372 how to find log by using simple calculator.doc downloaded 662 times



Tehsinkhan Pathan
CA CMA DISA(ICAI) B.COM

[ Scorecard : 3097]
Posted On 01 June 2011 at 17:34

FOR, TO FIND ANTILOG .....

 

 

**HOW TO FIND ANTILOG BY USING SIMPLE

   CALCULATOR?

 

STEPS TO BE FOLLOWED :-

 

1.   WRITE THE NO.

2.   TAP ÷ (i.e. divide ) by 0.4343 & = (equal to)

3.   TAP X (i.e. Multiply ) by 0.00024417206

4.   ADD ‘ 1 ‘

5.   TAP ‘X & = ‘ (MULTIPLY & EQUAL TO) 12 TIMES SIMULTANEOUSLY.

 

 

FOR EXAMPLE :- LOG 5 = 0.6990

NOW WE WANT TO FIND ANTILOG OF 0.6990 THEN

 

1.   0.6990

2.   (0.6990 ÷ 0.4343) = 1.60948653004

3.   (1.60948653004 X 0.00024417206) = 0.00039299164

4.    (0.00039299164 + 1) = 1.00039299164

5.    (1.00039299164 X THEN =) FOR 12 TIMES

                    = 4.9997 ~ 5 (i.e. log 5)

 

TO DOWNLOAD THE SAME , FIND THE ATTACHED FILE......



Attached File : 461361 729376 how to find antilog by using simple calculator.doc downloaded 571 times


rahul
CA Final and CS Prof. (Gr. 2)

[ Scorecard : 4448]
Posted On 01 June 2011 at 17:35

Thanks For sharing sir ?

I will try 



Total thanks : 1 times



CA ADITYA SHARMA
CA IN PRACTICE

[ Scorecard : 16653]
Posted On 01 June 2011 at 17:44

ITS AMAZING




Rishi
Student of Std. 11th Science

[ Scorecard : 21]
Posted On 29 March 2012 at 21:27

To find log following steps: 

  1. Enter the value for which you have to find log 
  2. Press sqrt button 15 times
  3. Subtract 1 from that no.
  4. Divide it by 0.00007027178
  5. Press equals to button.

‚Äč

   Example:

  1. To find log of 2
  2. Press 2 in calculator
  3. Press sqrt button 15times (Ans: 1.00002115339)
  4. Subtract 1from that (Ans: 1.00002115339 - 1 = 0.00002115339)
  5. Divide by 0.00007027178 (Ans: 0.00002115339 / 0.00007027178 = 0.30102254418)
  6. Answer is 0.3010 (upto 4 digit)


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