Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

Pages: **1**

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,730

Take an ordinary pocket or desk calculator like this one. (Not a scientific calculator)

Switch on the calculator.

Press any three keys just once. 0 or 00 should not be used.

100 should be displayed.

Remember, you are allowed to use only three keys, and 0 or 00 should not be used.

*Last edited by ganesh (2005-12-26 16:29:15)*

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**mathsyperson****Moderator**- Registered: 2005-06-22
- Posts: 4,900

I assume you're not allowed to store 100 in the memory beforehand?

If so, then I think it's probably something to do with the percent button, but I can't figure out what. Maybe [1 ÷ %]?

Why did the vector cross the road?

It wanted to be normal.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 21,730

Thats it, mathsyperson!

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

Pages: **1**