A simple command-line calculator program writen with Rust.

BHznJNs

Last update: Apr 8, 2023

Related tags

Command-line rust calculator interpreter command-line script repl compiler-principles

Overview

Calculator.rs

An simple command-line calculator program writen with Rust.

Features

Math functions support

> sin(1) 
= 0.84147098

Variable support

> a = 1
= 1
> a
= 1

Lazy-Expression support

> a = 10
> b = 20
> sum = {a + b}
> sum()
= 30
> a += 1
> sum()
= 31

Comment support

> 1 + 1 # plus
= 2

Array support

> arr = [1, 2, 3] 
= [
  1, 2, 3,
]
> push(arr, 4) 
> arr
= [
  1, 2, 3, 4,
]
>

Function defining support

> plus1 = fn(i $num) {i + 1} 
> plus1(1) 
= 2

Script execute support

calculator.exe script

OOP support

> Person = cls {age, name}
= {
  name,
  age,
}
> inst = new Person["test", 10] 
= {
  name : 'test',
  age : 10,
}

Installation

Go to the release page and download the latest released .exe file

Then just execuse it.

Build-ins

Functions
- Basic
  - int
  - float
  - string
- Array
  - push
  - pop
  - shift
  - unshift
  - insert
  - remove
  - update
  - len
- Math
  - sin
  - cos
  - tan
  - asin
  - acos
  - atan
  - sinh
  - cosh
  - tanh
  - rad
  - deg
  - log10
  - log2
  - ln
  - exp
  - abs
  - sqrt
  - floor
  - round
Constants
- PI
- E

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Releases(1.4.3)

1.4.3(Apr 4, 2023)

Source code(tar.gz)
Source code(zip)
calculator.exe(5.08 MB)

1.4.2(Mar 30, 2023)

> test_func = fn(i $num) {i + 1}
> test_func(1)
= 2

> test_arr = [1, 2, 3]
= [
  1, 2, 3,
]
> push(test_arr, 4)
> test_arr
= [
  1, 2, 3, 4,
]

Source code(tar.gz)
Source code(zip)
calculator.exe(5.08 MB)

1.3.1(Mar 19, 2023)
a = 0 b = 1 for 10 {c = a + b; a = b; b = c} out c # 89
Source code(tar.gz)
Source code(zip)
calculator.exe(4.97 MB)
1.2.2(Mar 17, 2023)

Source code(tar.gz)
Source code(zip)
calculator.exe(4.96 MB)
1.2.0(Mar 12, 2023)
calculator.exe script # script result ...

> 1 + 1 # plus = 2
Source code(tar.gz)
Source code(zip)
calculator.exe(4.96 MB)
1.1.1(Mar 11, 2023)

Source code(tar.gz)
Source code(zip)
calculator.exe(4.95 MB)
1.1.0(Mar 11, 2023)

Refactored the whole program.
Source code(tar.gz)
Source code(zip)
calculator.exe(4.95 MB)
1.0.5(Mar 7, 2023)

Source code(tar.gz)
Source code(zip)
calculator.exe(4.93 MB)
1.0.3(Mar 6, 2023)

Source code(tar.gz)
Source code(zip)
calculator.exe(4.93 MB)
1.0.1(Mar 6, 2023)

Source code(tar.gz)
Source code(zip)
calculator.exe(4.93 MB)

Owner

BHznJNs

Bilibili: BHznJNs | Zhihu: BHznJNs | Code changes the world!

GitHub

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