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About QL

Miro Samek (@QL)

Dr. Miro Samek is the CEO of Quantum Leaps (state-machine.com) and an expert on programming modern real-time embedded (RTE) systems. He is the author of practical books and articles about UML state machines, active objects (actors), and real-time embedded frameworks (RTEFs). Since 2013, Miro has been teaching the popular “Modern Embedded Systems Programming” course on YouTube. His industry experience ranges from GE Medical Systems to Silicon Valley companies specializing in GPS technologies. His software continues to power billions of embedded devices. Miro earned his Ph.D. in nuclear physics at GSI (Darmstadt, Germany).

Embedded Toolbox: Programmer's Calculator

Miro SamekMiro Samek ● June 27, 2017●8 comments

A tiny but powerful cross-platform tool, QCalc evaluates full C-syntax expressions so you can paste results straight into firmware. It handles bitwise ops, mixed hex/decimal/binary constants, and scientific math, and it automatically shows integer results in formatted hex and binary. The post explains key features, variable handling, error messages, and how to run qcalc.tcl with the wish Tk interpreter.

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