CalcuPy 📚 Create console-based calculators in a few lines of code.

Dylan Tintenfich

Last update: Dec 1, 2021

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Overview

CalcuPy 📚

Create console-based calculators in a few lines of code.

📌 Installation

pip install calcupy

📌 Usage

from calcupy import Calculator

calculator = Calculator()
calculator.start()

📌 Calculator parameters

Calculator have four parameters:

Calculator(number_variables, function_variables, title, bullet)

📍 number_variables:

GRAVITY = 9.8
SPEED = 20

number_variables = {"g": GRAVITY, "v": SPEED}
calculator = Calculator(number_variables)
calculator.start()

If we run the calculator:

$ g
9.8

$ v
20

$ v + g * 0.01
20.098

📍 function_variables:

def factorial(n):
    if n == 0 or n == 1:
        return 1
    return n * factorial(n - 1)


def y(x1, x2):
    return (x1 + 2) * x2


function_variables = {"y": y, "fac": factorial}
calculator = Calculator(None, function_variables)
calculator.start()

If we run the calculator:

$ fac(4)
24

$ y(2.4, 5.1)
22.44

$ fac(3) + y(2.4, 5.1)
28.44

📍 Basic example:

def foo(x, y):
    return x * y ** 2


title = "MY CALCULATOR"
bullet = "->"
number_variables = {"x": 2, "y": 3}
function_variables = {"foo": foo}
calculator = Calculator(number_variables, function_variables, title, bullet)
calculator.start()

If we run the calculator:

MY CALCULATOR

-> foo(2, 3)
18

-> foo(x, y) * 2
36

-> x / 8 * y
0.75

📌 Commands

📍 ADD

Description:

ADD command let you dynamically add new numeric variables.

Syntax:

add identifier expression

Example:

$ add x 4

$ add y 3

$ x * y
12

You can also assign an arithmetic expression to a variable. This expression is solved and the result is stored in the specified identifier.

$ add x sqrt(5) * tan(8 * 2) / 5

$ x
0.1344468258787234

📍 REMOVE

Description:

REMOVE command let you dynamically remove numeric variables.

Syntax:

remove identifier

Example:

$ add x 4.2

$ x
4.2

$ remove x

$ x
Error: 'NoneType' object is not subscriptable

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CalcuPy 📚 Create console-based calculators in a few lines of code.

Related tags

Overview

CalcuPy 📚

📌 Installation

📌 Usage

📌 Calculator parameters

📍 number_variables:

📍 function_variables:

📍 Basic example:

📌 Commands

📍 ADD

Description:

Syntax:

Example:

📍 REMOVE

Description:

Syntax:

Example:

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Owner

Dylan Tintenfich

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