# Misceláneos

### Eliminar una unidad o porcentaje de un número

Para eliminar la unidad, la tasa o el porcentaje de un número, conviértelo a un `number` (o decimal)

```
$100 as number    | 100
40/day to decimal | 40
20% as dec        | 0.2
```

### Proporciones / Regla de tres

Conocidas como la [regla de tres](https://en.wikipedia.org/wiki/Cross-multiplication#Rule_of_Three), estas frases te ayudan a encontrar el número necesario para mantener una proporción.

```
6 is to 60 as 8 is to what  | 80
5 is to 10 as what is to 80 | 40
```

Estas frases también funcionan con unidades:

```
5 km is to 500m as 5 cm is to what                | 5 mm
30 minutes is to 3 hours as what is to 60 seconds | 10 seconds
```

### Comparar números

min() y max() en Soulver

```
larger of 100 and 200  | 200
greater of 100 and 200 | 200
                                                     
smaller of 5 and 10    | 5
lesser of 5 and 10     | 5
```

### Punto medio

```
half of 175                  | 87.5
midpoint between 150 and 300 | 225
```

### Números aleatorios

Para generar un número entero aleatorio en un rango especificado:

```
random number between 1 and 10 | 7
```

Para generar un número de punto flotante aleatorio, usa el rango de 0 a 1

```
random number between 0 and 1 | 0.4793193723
```

### MCM y MCD

Mínimo común múltiplo y máximo común divisor

```
gcd of 20 and 30 | 10
lcm of 5 and 8   | 40
```

### Permutaciones y Combinaciones

```
10 permutation 3 | 720
25 combination 3 | 2,300
```

O alternativamente, usa una sintaxis ligeramente más clara:

```
3 permutations of 10 | 720
3 combinations of 25 | 2,300
```

### Limitar

```
clamp 26 between 5 and 25 | 25
clamp 4 from 5 to 25      | 5
```


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