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[Home](./index.md) &gt; [bitburner](./bitburner.md) &gt; [HacknetServersFormulas](./bitburner.hacknetserversformulas.md)

## HacknetServersFormulas interface

Hacknet Server formulas

**Signature:**

```typescript
interface HacknetServersFormulas 
```

## Methods

|  Method | Description |
|  --- | --- |
|  [cacheUpgradeCost(startingCache, extraCache)](./bitburner.hacknetserversformulas.cacheupgradecost.md) | Calculate cost of upgrading hacknet server cache. |
|  [constants()](./bitburner.hacknetserversformulas.constants.md) | All constants used by the game. |
|  [coreUpgradeCost(startingCore, extraCores, costMult)](./bitburner.hacknetserversformulas.coreupgradecost.md) | Calculate cost of upgrading hacknet server cores. |
|  [hacknetServerCost(n, mult)](./bitburner.hacknetserversformulas.hacknetservercost.md) | Calculate the cost of a hacknet server. |
|  [hashGainRate(level, ramUsed, maxRam, cores, mult)](./bitburner.hacknetserversformulas.hashgainrate.md) | Calculate hash gain rate. |
|  [hashUpgradeCost(upgName, level)](./bitburner.hacknetserversformulas.hashupgradecost.md) | Calculate hash cost of an upgrade. |
|  [levelUpgradeCost(startingLevel, extraLevels, costMult)](./bitburner.hacknetserversformulas.levelupgradecost.md) | Calculate cost of upgrading hacknet server level. |
|  [ramUpgradeCost(startingRam, extraLevels, costMult)](./bitburner.hacknetserversformulas.ramupgradecost.md) | Calculate cost of upgrading hacknet server ram. |