How to find X y and X th root of Y using normal calculator?
If during exam, you have to find X y or X th root of Y, you can use normal calculator for this.
Steps to be followed:
· Type X in your calculator
· Hit √ button 15 times
· Deduct 1
· Multiply Y
· Add 1
· Hit (X followed by = ) button 15 times
· You get the Answer
For example:
5√59049 (5th root of 59049)... and 3 0.9
|
Find 3 0.9 |
|
Display |
Find 5√59049 is also 59049 1/5 |
|
Display |
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Type 3 in your calculator |
|
3 |
Type 59049 in your calculator |
|
59049 |
|
Hit √ button 15 times |
|
1.00003352754 |
Hit √ button 15 times |
|
1.00033532606 |
|
Deduct 1 |
|
0.00003352754 |
Deduct 1 |
|
0.00033532606 |
|
Multiply 0.9 |
|
0.00003017478 |
Divide 5 (equivalent to Mutiply 1/5) |
|
0.00006706521 |
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Add 1 |
|
1.00003017478 |
Add 1 |
|
1.00006706521 |
|
Hit (X followed by = )button 15 times |
|
2.6878784016 |
Hit (X followed by = )button 15 times |
|
9.00264954243 |
|
You get the Answer |
|
2.6878784016 |
You get the Answer |
|
9.00000 |
Remember Don’t press any other button other than above in between these operations..
This technique was learned from one of my teachers…
He told to share among others too..
So sharing this…
Enjoy….
CAclubindia
