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A blog post walks through building an overengineered calculator that compiles arithmetic expressions to native machine code using Zig and the QBE compiler backend, demonstrating tokenization, parsing, and code generation.
A DIY project building a calculator that uses panel voltmeters to display floating-point numbers, with a custom acrylic panel and CNC-machined lettering.
This article introduces nomograms as graphical calculators and describes the pyNomo library for creating them programmatically.
A tweet from Philip Kiely highlights cost savings by switching from closed-source AI models to open-source alternatives, using Baseten's ROI calculator tool.
A guide on building a Voice AI capable of performing mathematical calculations and generating accurate quotes.
The C47/R47 is an open-source, RPN-based programmable scientific calculator project that runs on SwissMicros DM42 hardware, with a community-driven development and extensive documentation.
A comprehensive reverse engineering of the TI-84 Plus OS, documenting memory mapping, paging, system calls, interrupts, floating-point engine, variable system, tokenizer, and I/O subsystems.
HP re-releases the classic HP-16C computer science calculator as a Collector's Edition, featuring 100x faster performance, seamless base switching, bitwise operations, and program storage capabilities.
A new open-source KV cache calculator tool named KVANTA has been released, supporting any LLM/VLM from Hugging Face.