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# any good codes for a simple calculator? Answered

I wanna impress my friends with some cool calculator trick, unfortunately I no nothing about programming. Any body now' a good code ?

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## 8 Replies

My personal favorite is one of the "nines" tricks. Type in the number 12345679 (remember to omit the 8), then multiply it by a number from 0 to 9, then multiply by 9. You will have 9 of the second number you multiplied by so: 12345679*4*9 = 444444444.

lemonie (author)2010-07-03

Can you fit completely into your mouth?

(or any other orifice L

Quest for Questions (author)2010-07-04

?

lemonie (author)2010-07-04

It would be a good trick...? Esp if you could press the keys with your tongue.

L

kevinhannan (author)2010-07-04

Classic!

ikeike40 (author)2010-07-03

cover the solar pannel with your thumb and the numbers disappear

Jack A Lopez (author)2010-07-03

Whenever I've got one of these old school calculators in my hands I usually do this:
10/9 =
1.1111111

Then (square the previous result):
*=
1.2345678

Just because.