Open Source C++ Calculators

PeaZip is a free archiver tool. The application provides an unified, natively portable, cross-platform file manager and archive manager GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX. Create: 7Z, ARC, Brotl, BZip, GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP, Zstandard files and more Open and extract 200+ file types: ACE, CAB, DEB, ISO, RAR, ZIPX and more Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives (sfx), split files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export task definition as command line script.

Integrated Development Environment for some microcontrollers based on 8051(e.g. AT89S8253). Supported languages are Assembly and C. It has its own simulator, assembler, editor and many other tools. See the project web site for more details and the newest updates.

Developer-oriented emulator of the eZ80-based TI-84 Plus CE / TI-83 Premium CE calculators. CEmu is a third-party TI-84 Plus CE / TI-83 Premium CE calculator emulator, focused on developer features. The core is programmed in C and the GUI in C++ with Qt, for performance and portability reasons. CEmu works natively on Windows, macOS, and Linux! Easy setup - get running by doing a one-time-only connection of your calculator! Accurate and fast emulation. Customizable speed/throttling. Resizable calculator screen. "Always-on-top" window option. Screen capture (PNG). Screen recording (animated PNG). File sending/receiving (not for Apps/OS yet). Multiple keybinding presets. Emulation states for efficient saving / restoring. Color skins (like the real devices). Available in English, French, Spanish, and Dutch.

An open source files hash calculator for Windows and macOS. * MD5, SHA1, SHA256 and SHA512. * Drag & drop. * Integrated with context menu in Explorer/Finder. * Support Windows 7 and later. * Support macOS 13 and later, with universal binary. * Support Dark Mode. * English and Simplified Chinese UI. The icon "希" is from hash in Chinese "哈希".

ReHash is an easy-to-use console-based hash calculation tool written in C++. It supports many algorithms and output formats and it can be fully configured using some of the many command-line arguments which can be passed to the tool.

CalcEm was the emulator that started it all. It was the first emulator for Texas Instruments calculators with public source code. CalcEm is capable of emulating Texas Instruments calculator models 82 and 83.

LibG100 is a common library to use all capacity of the Casio Afx2/Graph100 Calculator

It is a bit timing calculator for the popular Microchip MCP2510. It has a graphical diagram view of your choosen options. You can save or print a report at the end.

This command-line program written in C++ is a highly accurate calculator used to calculate monthly, yearly and full term mortgage repayments at a fixed interest rate. The program rounds up to the nearest whole pound and uses the same precise algorithm as other mortgage calculators. The program is fast, efficient and you can know your exact mortgage repayments in just 30 seconds!* *Additional fees not calculated - Harry Groom

NetCalcTools 1.5 uses Qt 5 libraries NetCalcTools 1.4 uses Qt 4 libraries IPv4 tools: SUBNET CALC - Calculate subnet,broadcast,host range and so on. ADDRESS CONVERTER - Input IP'll be converted to bin,hex,oct. MULTICAST ETHERNET - Calculation Multicast MAC addresses from Multicast IP addresses ... SUMMARIZATION - Summarization of IP addresses , You'll fill up IP list and program will summarize it. NETWORK DESIGNER - Calculation of subnets for whole network from 1 or multiple input IP addresses. Other tools: MAC INFORMATION - Will show information about MAC such as if it's global/local individual/group IPv6 tools: SUBNET CALC - Basic calc for IPv6 , Subnet,Host range,Max hosts ... MULTICAST CALC - Will show information about Multicast IPv6 address for example R,T,P bits . OPERATIONS - If you need Commpress,expand IPv6

PeaZip is a free archiver tool. The application provides an unified, natively portable, cross-platform file manager and archive manager GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX. Create: 7Z, ARC, BZip/GZip, PEA, TAR, WIM, XZ, ZPAQ, ZIP files and more Open and extract 180+ file types: ACE, CAB, DEB, ISO, RAR, ZIPX and more Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives (sfx), split files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export task definition as command line script. Only source code distribution of my improvements by using of Subversion.

A "bitwise precision tool" bitrate calculator using MS-EXCELL programming. The results are used for DVD Video to audio-video streams. It helps compute VIDEO- & AUDIO-Bitrates, aspect ratio, screen size, choose audio format cbr. Has units MB,pixel,d:h:m:s, kbps, etc