Welcome to Online Calculator – Your Convenient Calculation Solution

Online Calculator is a free, browser-based tool that operates seamlessly on various devices such as PCs, iPads, iPhones, and Android smartphones. Equipped with advanced features like history tracking and formula reuse, it caters perfectly to personal, educational, and professional needs.

Main Features of the Online Calculator

Device Compatibility

Online Calculator is designed to function smoothly across all devices, including PCs, tablets, and smartphones. There is no need to download or install an app, ensuring easy access anytime, anywhere.

Automatic Calculation History

The Online Calculator includes a calculation history feature that records the results of each calculation. This functionality is especially beneficial for:

• Reviewing past calculations
• Verifying steps of complex formulas
• Tracking numbers over time

By reviewing the history, you can continue previous calculations or reuse data without re-entering it.

Easy Formula Reuse

With the Easy Formula Reuse feature, users can simply click on any formula or result in the history, which will automatically appear on the calculation screen. This is particularly useful for:

• Repeatedly comparing or adjusting numbers
• Working with long or multi-step formulas involving variables

This functionality streamlines processes, eliminating the need to retype complex formulas.

Memory Function and PDF Download

The Online Calculator offers a history download option, enabling users to save their calculation history in PDF format for:

• Offline reference
• Record keeping
• Sharing

This feature is ideal for students, professionals, or anyone needing a permanent record of their calculations.

Function of Calculation History Icons

Icons at the top of the calculation history provide quick access to important memory functions:

Icon	Function
👝	Download history in PDF format
📝	Copy entire history to clipboard

These options facilitate easy management and exporting of your calculation history. The Download History feature ensures a permanent record, while the Copy History option simplifies sharing or pasting into other documents.

Function of Individual Calculation History Icons

Each entry in the calculation history has its own management icon:

Icon	Function
📝	Copy individual formulas and results

This feature allows you to quickly copy specific calculation results, making it easy to share or use particular results in other applications.

Calculator Button Functions and Keyboard Shortcuts

The Online Calculator supports button functions and keyboard shortcuts for efficient operation. Below is a guide:

Calculator Button	Keyboard Shortcuts	Function
AC	Shift + Delete	Delete the entire formula you are typing
C	Delete	Remove a character from a formula
( )	None	Group calculations and manage order of operations
%	%	Convert value to 1/100
÷	/	Division
×	*	Multiplication
–	–	Subtraction
+	+	Addition
=	Enter	Perform calculations and display results

These intuitive features make basic and advanced calculations easy, while keyboard shortcuts enhance the speed of entering long formulas.