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any good codes for a simple calculator?

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

Picture of any good codes for a simple calculator?
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Darth Maker7 years ago
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.
lemonie7 years ago

Can you fit completely into your mouth?

(or any other orifice L
Quest for Questions (author)  lemonie7 years ago
?

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

L
Classic!
ikeike407 years ago
cover the solar pannel with your thumb and the numbers disappear
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.
AndyGadget7 years ago
If it's a simple calculator you won't be able to do any programming on it, but here's a couple of ideas to keep you amused for a few minutes :-

Any of the 'think of a number' type tricks can be done on a calculator - HERE'S a fun one for calculating how old you are by how often you eat chocolate.

Alternatively, you can make words by reading some of the numbers upside-down.  Oohhh the thrill of discovering you could do this on my Sinclair Cambridge, wayyyyyyyy back in the 1970's.