# Formulae
**Nifty precompiled formulae handling**
## Installation
```elixir
def deps do
[{:formulae, "~> 0.5"}]
end
```
## Using
```elixir
iex|1 ▶ f = Formulae.compile("rem(a, 5) - b == 0")
%Formulae{
ast: {:==, [line: 1],
[
{:-, [line: 1],
[{:rem, [line: 1], [{:a, [line: 1], nil}, 5]}, {:b, [line: 1], nil}]},
0
]},
eval: &:"Elixir.Formulae.rem(a, 5) - b == 0".eval/1,
formula: "rem(a, 5) - b == 0",
module: :"Elixir.Formulae.rem(a, 5) - b == 0",
variables: [:a, :b]
}
iex|2 ▶ f.eval.(a: 11, b: 1)
true
iex|3 ▶ f.variables
[:a, :b]
iex|4 ▶ f.module
:"Elixir.Formulae.rem(a, 5) - b == 0"
```
## [Documentation](https://hexdocs.pm/formulae)