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# quickmaths
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2023-06-14 12:12:54 -04:00
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A small, pretty command line calculator.
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2022-06-13 13:49:34 -04:00
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2023-06-14 12:12:54 -04:00
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Features expression evaluation, variable assignment, an interactive mode, pretty
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output, and a variety of preset constants and functions focused on pure mathematics,
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data science, and computer science.
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2023-06-14 12:12:54 -04:00
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## Constants
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2023-06-14 12:16:31 -04:00
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| Name | Tokens | Type | Value |
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| -------------- | ---------- | ----- | ------------------- |
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| Euler's Number | `e` | `f64` | `2.718281828459045` |
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| Golden Ratio | `phi`, `ϕ` | `f64` | `1.618033988749895` |
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| Pi | `pi`, `π` | `f64` | `3.141592653589793` |
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| Root Two | `√2` | `f64` | `1.414213562373095` |
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## Built-in functions
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### Mathematics
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- `fix`: fix a float to *n* digits.
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- `log`: logarithm. Defaults to natural logarithm (ln).
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- `sqrt`/`√`: square root.
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### Data Science
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- `avg`: average an arbitrary set of numbers.
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### Computer Science
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- `bin`: convert an integer to a binary string or vice versa.
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- `hex`: convert an integer to a hexadecimal string or vice versa.
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- `oct`: convert an integer to an octal string or vice versa.
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## Libraries
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- [evalexpr](https://crates.io/crates/evalexpr)
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- [termion](https://crates.io/crates/termion)
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