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30 lines
1.2 KiB
Markdown
30 lines
1.2 KiB
Markdown
# kalk
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[](https://crates.io/crates/kalk_cli)
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[](https://github.com/PaddiM8/kalk/blob/master/LICENSE)
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[](https://docs.rs/kalk/latest/kalk/)
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Kalk is a calculator (both program and library) that supports user-defined variables and functions.
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## Features
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* Operators: +, -, \*, /, !
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* Groups: (), ⌈⌉, ⌋⌊
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* [Pre-defined functions and constants](https://github.com/PaddiM8/kalk/blob/master/kalk/src/prelude.rs)
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* User-defined functions and variables. `f(x, y) = xy`, `x = 5`
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* Understands fairly ambiguous syntax. Eg. `2sin50 + 2xy`
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* Syntax highlighting
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* Special-symbol completion on tab. Eg. write `sqrt` and press tab. It will be turned into `√`.
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* Sum function: `sum(start, to, expression)` Eg. `sum(1, 3, 2n+1)` is the same as `2*1+1 + 2*2+1 + 2*3+1` = `15`
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## Installing
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Make sure you have `diffutils` `gcc` `make` and `m4` installed.
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### Cargo install
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Run `cargo install kalk_cli`
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### Compiling yourself
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1. Go into the `kalk_cli` directory.
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2. Run `cargo build --release`
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3. Grab the binary from `targets/release`
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