g1yk/project-lvl1-s486

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# Console Brain Games

## How to install
```
sudo npm install brain-games-onlyo -g
```
## List of games
```
brain-even (Is it an even number?) 
 
brain-calc (Solve three mini arithmetic exercises)

brain-progression (Find out what number is missing in math progression)

brain-gcd (Find the greatest common divisor)

brain-prime (Is it a prime number?)
```

### Brain-even
Launch game:
```
brain-even
```
Answer "yes" if number are even, otherwise answer "no".
```
Question: 5
Your answer: no
Correct!
```
[![asciicast](https://asciinema.org/a/RMuC3S3ggcjZ97wg49LZeFHgu.svg)](https://asciinema.org/a/RMuC3S3ggcjZ97wg49LZeFHgu)

### Brain-calc
Launch game:
```
brain-calc
```
Find out the result of the expression
```
Question: 5 * 12
Your answer: 60
Correct!
```
[![asciicast](https://asciinema.org/a/lVzEc03EVmoTSVT7qEnlVb2y6.svg)](https://asciinema.org/a/lVzEc03EVmoTSVT7qEnlVb2y6)

### Brain-gcd
Launch game:
```
brain-gcd
```
Find the greatest common divisor of given numbers.
```
Question: 22, 50
Your answer: 2
Correct!
```
[![asciicast](https://asciinema.org/a/KEmd4BeiZ96Wb6imuCUevEWz1.svg)](https://asciinema.org/a/KEmd4BeiZ96Wb6imuCUevEWz1)

### Brain-prime
Launch game:
```
brain-prime
```
Is the number prime?
```
Question: 50
Your answer: no
Correct!
```
[![asciicast](https://asciinema.org/a/75Ac3ou7mBx5Legcy9ExSib7z.svg)](https://asciinema.org/a/75Ac3ou7mBx5Legcy9ExSib7z)

### Brain-progression
Launch game:
```
brain-progression
```
What number is missing in this progression?
```
Question: 5 9 .. 17 21 25 29 33 37 41 
Your answer: 13
Correct!
```
[![asciicast](https://asciinema.org/a/70lXJxXq1uUJG1ckyS5g9rgjT.svg)](https://asciinema.org/a/70lXJxXq1uUJG1ckyS5g9rgjT)