PCalc 4.12.1 macOS (Neverb)

PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants,
a paper tape, multiple undo and redo, engineering and scientific notation, as well as support for hexadecimal, octal, and binary calculations.
Release Notes
Whats New
System Requirements
macOS 11.0 or later
Supports Intel and Apple Silicon Macs

https://www.virustotal.com/gui/file/e5ce29340f99f3cfd93ba42fb0ba71322b5f8f2698516ddef2e009cbf4da594b