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Scientific calculator with math syntax that supports user-defined variables and functions, complex numbers, and estimation of derivatives and integrals
kalk | ||
kalk_cli | ||
.gitignore | ||
.travis.yml | ||
Cargo.lock | ||
Cargo.toml | ||
example.png | ||
LICENSE | ||
README.md |
kalk
Kalk is a calculator (both program and library) that supports user-defined variables and functions.
Project kanban board (Kolan)
Features
- Operators: +, -, *, /, !
- Groups: (), ⌈⌉, ⌋⌊
- Pre-defined functions and constants
- User-defined functions and variables.
f(x, y) = xy
,x = 5
- Understands fairly ambiguous syntax. Eg.
2sin50 + 2xy
- Syntax highlighting
- Special-symbol completion on tab. Eg. write
sqrt
and press tab. It will be turned into√
. - Sum function:
sum(start, to, expression)
Eg.sum(1, 3, 2n+1)
is the same as2*1+1 + 2*2+1 + 2*3+1
=15
- Load a file including predefined functions and constants. For example, if you're going to use Kalk for physics, you load up your file with physics functions/constants when starting Kalk.
-i file
Installing
Make sure you have diffutils
gcc
make
and m4
installed. If you use windows: follow the instructions here
If anyone knows how to get gmp_mpfr_sys
on Windows on Travis, let me know.
Cargo install
Run cargo install kalk_cli
Compiling yourself
- Go into the
kalk_cli
directory. - Run
cargo build --release
- Grab the binary from
targets/release