JamesOwenHall/arithmetic

An interpreter for Lisp-like arithmetic.

Arithmetic

Arithmetic is an interpreter for a Lisp-like language for basic arithmetic.

Syntax

(<operator> [arg [...])

Operations are nestable, so you can have equations like this:

(+ 1 (+ 2 -4 6))

Operators

Symbol	Meaning
+	Addition
-	Subtraction
*	Multiplication
/	Division

Usage

./arithmetic "(+ 1 (+ 2 -4 6))"

Or you can use the "-i" flag to enter the REPL.

./arithmetic -i
> (+ 99.332 -1)
98.332
> exit

Examples

Approximating e

./arithmetic "(+ 1 (/ 1 1) (/ 1 2) (/ 1 (* 2 3)) (/ 1 (* 2 3 4)) (/ 1 (* 2 3 4 5)))"