Calculator Documentation

Auto-generated on 2026-02-19 from source code

Features

Basic arithmetic operations (+, −, ×, ÷)
Decimal number support
Expression display showing current calculation
Calculation history with click-to-reuse
Backspace to delete last digit
Clear (C) button to reset current calculation
Parentheses support for grouped expressions

Operations

Symbol	Operation	Description
`+`	Addition	Adds two numbers
`−`	Subtraction	Subtracts second number from first
`×`	Multiplication	Multiplies two numbers
`÷`	Division	Divides first number by second

Known Issues

Bug "C" button does NOT clear the history
Bug Floating-point imprecision (0.1 + 0.2 = 0.30000000000000004)

Missing Features

All planned features have been implemented.

Internal Functions

Function	Parameters
`updateDisplay()`	none
`addToHistory()`	expr, result
`renderHistory()`	none
`handleNumber()`	value
`handleDecimal()`	none
`handleOperator()`	op
`handleEquals()`	none
`handleClear()`	none
`handleBackspace()`	none

Integration

This calculator integrates with FeedbackLoop AI for automated bug reporting and feature requests. The feedback widget collects user reports, qualifies them with AI, and triggers an autonomous fix pipeline.