package tcalc

README.md

TCalc

This is a minimal desktop calculator (taken from the Lex/Yacc section of the OCaml manual) that can parse 3:04.5 as a time and covert it into 184.5 seconds. I'm using it for simple time calculations.

$ tcalc
3:04.5
184.50 (00:03:04.50)
11:52.2 / 2670 * 500
133.37 (00:02:13.37)
$ 

• Operators: + - * / ^

• Common math functions like sin, log, exp

• Command line editing and history

• Variables (x = 21 * 2)

• Tab completion for functions

To help with debugging the parser, the parsed expression is emitted in prefix syntax.

Installation via Opam

Opam is the OCaml package manager that installs packages by compiling them from source code.

$ opam install tcalc

Installation from Sources

This is an OCaml project, it assumes you have available on a Unix system:

• OCaml

• Dune

• Make

make 
make install

Contribute

If you find this useful, please contribute back by raising pull requests for improvements you made.