syncfusion-wpf-calculator

name	syncfusion-wpf-calculator
description	Implement Syncfusion WPF Calculator (SfCalculator) for mathematical operations in Windows desktop applications. Use this when adding calculator functionality to WPF apps. Covers setup, value management, and memory operations.
metadata	{"author":"Syncfusion Inc","version":"34.1.29"}

Implementing WPF Calculator (SfCalculator)

When to Use This Skill

Use this skill when you need to:

• Add calculator functionality to WPF desktop applications
• Perform mathematical operations in your application
• Implement memory operations (store, restore, add, subtract, clear)
• Set up and configure the SfCalculator control with proper assemblies
• Display calculated values and manage input/output
• Implement features like watermark text and default values

Component Overview

The SfCalculator is a Syncfusion WPF control that allows users to perform mathematical operations like in a standard calculator. It supports:

• Basic arithmetic operations
• Memory storage and retrieval (MS, MR, M+, M-, MC)
• Read-only Value property for calculated results
• Memory property for stored values
• Customizable display text and default values
• Theme support through SfSkinManager

Documentation and Navigation Guide

Getting Started

📄 Read: references/getting-started.md

• Assembly dependencies (Syncfusion.SfInput.WPF, Syncfusion.Shared.WPF)
• Creating a new WPF project
• Adding SfCalculator via Visual Studio Designer
• Adding SfCalculator via XAML markup
• Adding SfCalculator programmatically in C#
• Basic configuration

Properties and Values

📄 Read: references/properties-and-values.md

• Value property (read-only calculated result)
• DefaultValue property (initial display value)
• DisplayText property (watermark/placeholder text)
• Setting and retrieving values
• Data binding patterns

Memory Operations

📄 Read: references/memory-operations.md

• Memory property overview (read-only)
• MS button (Memory Store)
• MR button (Memory Restore)
• M+ button (Memory Add)
• M- button (Memory Subtract)
• MC button (Memory Clear)
• Practical memory operation examples

Quick Start Example

Basic XAML Implementation:

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:syncfusion="http://schemas.syncfusion.com/wpf">
    <Grid>
        <syncfusion:SfCalculator x:Name="Calculator" 
                                 Width="200" 
                                 Height="300" />
    </Grid>
</Window>

Programmatic C# Implementation:

using Syncfusion.Windows.Controls.Input;

SfCalculator calculator = new SfCalculator();
calculator.DefaultValue = 0;
calculator.DisplayText = "Enter value";
this.Content = calculator;

Key Properties

Property	Type	Description
Value	decimal (read-only)	Current calculated value from the last expression
Memory	decimal (read-only)	Value currently stored in memory
DefaultValue	decimal	Initial value displayed when calculator starts
DisplayText	string	Watermark/placeholder text shown in the value display

Common Use Cases

1. Building Tools Applications - Embed calculator for quick calculations
2. Financial Applications - Add memory operations for repeated calculations
3. Data Entry Forms - Quick calculation reference without switching windows
4. Educational Applications - Teach mathematical operations
5. Dashboard Utilities - Add calculation capabilities to admin panels

Common Patterns

Pattern 1: Display with Watermark

calculator.DisplayText = "Enter calculation";
calculator.DefaultValue = 0;

Pattern 2: Access Calculated Values

decimal result = calculator.Value; // Get calculated value
decimal stored = calculator.Memory; // Get memory value

Pattern 3: Memory Operations Workflow

User clicks MS → Value stored to Memory
User clicks MR → Memory value retrieved
User clicks M+ → Add current value to memory
User clicks M- → Subtract current value from memory
User clicks MC → Clear memory