Скачать или смотреть C# GUI Advanced Calculator. Write a calculator for evaluating arithmetic expressions. Exceptions.

The student task:
C# GUI Advanced Calculator.
Write a calculator for evaluating arithmetic expressions.
Given a string s representing a valid expression, implement a basic calculator to evaluate it, and return the result of the evaluation.

An expression can consist of:
Digits (0-9)
Parentheses
Mathematical symbols (allowed are : "+", "-", "*", "/","^")
Functions: sin, cos, tan, cot

Input and expected output
Input: String containing arithmetic expression.
Output: evaluation result or null if the expression cannot be evaluated.

Example 1:
Input: s = "1 + 1"
Output: 2
Example 2:
Input: s = " 2-1 + 2 "
Output: 3
Example 3:
Input: s = "(1+(4+5+2)-3)+(6+8)"
Output: 23


My email address: [email protected]
The program code: https://drive.google.com/file/d/1Sam8...

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