PCalc for iPhone

Quick snapshot of the app

PCalc is a full-featured calculator built for both academic and professional use. It combines straightforward simple-calculation tools with options tailored for complex technical work, making it useful for classroom problems, lab tasks, and software development.

Who can use it

• Programmers and developers who need base conversions and bitwise-friendly tools
• Students working through homework and lab exercises
• Engineers requiring precise engineering formats and unit handling
• Scientists performing calculations that rely on constants and conversions

Input styles and how results are shown

PCalc supports multiple entry methods so you can work the way you prefer:

• An optional Reverse Polish Notation (RPN) entry mode for stack-based workflows
• A multi-line display so you can follow longer expressions and intermediate values
• Support for engineering and scientific numeric formats to match discipline conventions

Customization and session tools

Customize the interface and keep a record of your work with features designed to streamline repeated tasks:

• Configurable button layouts to fit different workflows and screen sizes
• A tape-style history (paper tape) so earlier steps are visible and reviewable
• Multiple undo and redo levels to correct mistakes without restarting

Libraries, units and constants

Access built-in resources that cut down on manual lookup and conversion:

• A comprehensive collection of unit conversions for common and specialized measurements
• A catalog of physical and mathematical constants for rapid insertion into calculations

Number systems and programmer features

Tools tailored for low-level and numerical programming:

• Native support for hexadecimal, octal, and binary arithmetic and display
• Facilities useful for technical professionals working with different radices and bit-level operations

Wearable and cross-device access

Carry calculation power beyond your computer or phone:

• A companion Apple Watch app lets you perform quick calculations right from your wrist

Final thoughts

Designed to bridge basic arithmetic and advanced technical work, PCalc combines adaptability, precision, and convenience to meet a wide range of calculation needs.