Question

how to find log 2 in normal calculator ?

Answer 1

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)