June 20, 2021

## Calculator math trick with number 12345679

We can use calculators calendars , card packs  for mathematical magics.Today we are working on 12345679 magic with calculator.Its a easy magic and all kids teens and elder people can try .There are few steps to follow.So lets go for that.

Steps are as below

Give a calculator to your friend

Ask him to write 1 to 9 except 8. So it will looks like 12345679 .

Then ask from him to select any one digit from that.

Ask what he has selected

If they choose 7 ,then tell him to multiply the original number 12345679 by 63.

When he multiply the number , answer will shows as 777,777,777

So the magic is that answer is nine digit of selected digit.

What is the trick?

To do the trick you need to multiply the selected number by 9. So in the above example friend said he selected 7. so we multiply the number by 9 in our mind.So the answer is 63. Then we ask to multiply the original number by 63.So we get the answer 777777777.

If your friend chose 9, you’d tell him to multiply by 81 (9 x 9) and they’d get 999999999

Now you know the trick . So lets do the same thing little quicker.

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Example 01:

Ask Some one type 12345679 in calculator

Ask to select any digit.(Suppose he/she selected number 4)

We have to ask multiply the answer by 36 because 4*9 =36

So 12345679 * 36

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Example 02:

Ask Some one type 12345679 in calculator

Ask to select any digit.(Suppose he/she selected number 1)

We have to ask multiply the answer by 9 because 1*9 =9

So 12345679 * 9