VB.NET

VB.NET, short for Visual Basic .NET, is a programming language and development environment provided by Microsoft. It is a modernized version of the Visual Basic (VB) programming language, designed to be part of the .NET framework. VB.NET is an object-oriented programming (OOP) language that allows developers to create a wide range of applications, including desktop, web, and mobile applications. =====

CalculatorAPP.

Consists of: Main Page - Form2.vb (Login page) Calculator - Form1.vb Registration form - Form4.vb Admin Panel - Form3.vb HistoryForm.vb UpdateForm - Form5.vb =====

Db - MSSQL

Create tables Users and HistoryForm

CREATE TABLE Users(

UserID int IDENTITY(1,1), Username nvarchar(50), Passwords nvarchar(50), Email nvarchar(100), Phone_no nvarchar(20)

);

CREATE TABLE History (

ID INT PRIMARY KEY IDENTITY, UserID INT, Expression NVARCHAR(MAX), Result FLOAT, Timestamp DATETIME

);

In the forms, replace the connection string with yours. This is a Calculator, I won't bother to explain how it works. ===Performs all CRUD Operations=== *== Application done as a School Project==* «Нет давления, нет бриллиантов!», Хисул Мелло... ========================================================================***===========================================================================