Questions tagged [seven-segment]

A puzzle that involves seven-segment displays, more commonly referred to as "digital" displays.

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10
votes
3answers
310 views

Fitting 7 Segments Digits on Smallest Rectangular Grid

On the 2 x 1 grid all 7- segment digits above can be formed one at a time as seen on clocks, calculators and other digital devices. If we are allowed to flip or rotate and overlap segments, how should ...
5
votes
1answer
330 views

Seven Matches Digits

a) Remove some of the match sticks from the above 2 x 2 x 1 surface grid to reveal the figures below. Rotation, flipping, segment sharing are allowed. b) Place some match sticks on the above 1 x 1 x ...
0
votes
5answers
257 views

What is the largest possible positive number on an 8-segment array? (repeated symbols allowed) [closed]

This is a follow-up to the question, What is the smallest possible positive number on an 8-segment array? However, this time repeats are allowed! You are provided with the 8-segment array in the ...
5
votes
7answers
1k views

What is the smallest positive number on an 8-segment array? (no repeats) [closed]

You are provided with the 8-segment array in the picture together with all the necessary electronics to make any combination of lit segments you want. Fillable version for graphics. http://i.stack....
9
votes
1answer
910 views

Seven Segment Cipher

In math class I asked my friend what she did for a job. She simply handed me this note. What does it say? Note: You may need a calculator! Then again, you may not...
12
votes
6answers
6k views

Greatest Digital Clock Number, with a Twist!

7 segments make up a number, some visible, some invisible. Just like on a digital clock: 88:88 or 04:00: There are 2 vertical segments on both sides and 3 horizontal segments in the center. What's ...
14
votes
3answers
2k views

The defective clock

James has a defective clock in his room. The clock is digital, and some of the seven bars on its units digit are broken. A bar that works is on when it should be and off when it should be, whereas a ...