Added links to the first and the second lectures
Fixed md
Calculator. Version 1.
Update CalculatorMain.java
Update CalculatorMain.java
Create ArithmeticalExpression.java
Version 2
Modified .gitignore
Added Calculator project
Добавил калькулятор, точка входа - класс Main
I have added "Calculator", which was Task 1.
first commit
Moved calculator project files. Created package for the project.
Changed base of numeric system according to my variant in Calculator.
Returning value from main method now.
Caclulator
Create Calculator.java

Nicolai Kochetov, 294, calculator
Update Calculator.java

добавлены пробелы и отступы, разделены объявления переменных.
Added calculator, Yanina Anastasia
Calculator version 1