As Per CA Nagendra Sah's :
Method to Calculate value of e 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
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