# [−][src]Module sp_arithmetic::per_things

## Structs

PerU16 | A fixed point representation of a number in the range [0, 1]. |

Perbill | A fixed point representation of a number in the range [0, 1]. |

Percent | A fixed point representation of a number in the range [0, 1]. |

Permill | A fixed point representation of a number in the range [0, 1]. |

Perquintill | A fixed point representation of a number in the range [0, 1]. |

## Traits

PerThing | Something that implements a fixed point ration with an arbitrary granularity |

## Type Definitions

InnerOf | Get the inner type of a |

UpperOf | Get the upper type of a |