Search Results for "subtraction"
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Showing 112 open source projects for "subtraction"
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LRSLibrary
Low-Rank and Sparse Tools for Background Modeling and Subtraction
LRSLibrary is a MATLAB library offering a broad collection of low-rank plus sparse decomposition algorithms, primarily aimed at background/foreground modeling from videos (background subtraction) and related computer vision tasks. Compatibility across MATLAB versions (tested in R2014–R2017) The library includes matrix and tensor methods (over 100 algorithms) and has been tested across MATLAB versions from R2014 onward. The algorithms can also be adapted to other computer vision or machine learning problems beyond video. ... -
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Dinero.js
Create, calculate, and format money in JavaScript and TypeScript
...It addresses the limitations of native number handling in JavaScript, which can lead to rounding errors and inaccuracies when working with currency. The library provides an immutable data structure for representing money, ensuring that operations such as addition, subtraction, and conversion do not introduce unintended side effects. It also includes utilities for formatting monetary values according to different locales and currencies, making it suitable for internationalized applications. Dinero.js supports complex financial operations such as comparisons, allocations, and conversions, enabling developers to build robust financial systems with confidence. ... -
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decimal
Arbitrary-precision fixed-point decimal numbers in go
...Note: Decimal library can "only" represent numbers with a maximum of 2^31 digits after the decimal point. The zero-value is 0, and is safe to use without initialization. Addition, subtraction, and multiplication with no loss of precision. Division with specified precision. Database/sql serialization/deserialization. JSON and XML serialization/deserialization. big.Int's API is built to reduce the number of memory allocations for maximal performance. This makes sense for its use-case, but the trade-off is that the API is awkward and easy to misuse. ... -
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Book1_Python-For-Beginners
The Iris Book: Addition, Subtraction, Multiplication, and Division
Book1_Python-For-Beginners is the introductory volume of the Visualize-ML series, designed to teach Python programming to newcomers with no prior coding experience. The repository emphasizes clarity and gradual skill building, starting from fundamental syntax and moving toward practical programming patterns. It integrates visual aids and annotated code examples to help learners understand not just how Python works but why certain patterns are used. The material is structured to support... -
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Book3_Elements-of-Mathematics
From Addition, Subtraction, Multiplication, and Division to ML
Book3_Elements-of-Mathematics is an open learning resource in the Visualize-ML collection that introduces core mathematical foundations required for modern data science and AI. The repository presents topics such as algebra, calculus fundamentals, and mathematical reasoning using a highly visual and beginner-friendly approach. Its goal is to reduce the intimidation barrier often associated with formal mathematics by combining diagrams, structured explanations, and applied examples. The... -
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Book6_First-Course-in-Data-Science
From Addition, Subtraction, Multiplication, and Division to ML
Book6_First-Course-in-Data-Science is an open-source educational project that serves as part of the “Iris Book” series focused on teaching data science and machine learning concepts through a combination of mathematics, programming, and visualization. The repository contains draft chapters, supporting Python code, and visual materials designed to guide readers from basic mathematical operations toward practical machine learning understanding. The goal of the project is to make complex topics... -
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Book4_Power-of-Matrix
Book_4_Matrix Power | The Iris Book: From Addition, Subtraction
Book4_Power-of-Matrix is an open educational repository that forms part of the Visualize-ML book series, focusing on explaining matrix mathematics and linear algebra concepts through visual and intuitive methods. The project is designed to help readers progress from basic arithmetic toward machine learning fundamentals by building a strong conceptual understanding of vectors, matrices, and their operations. It combines explanatory text, diagrams, and Python examples to bridge theory and... -
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BenchmarkDotNet
Powerful .NET library for benchmarking
BenchmarkDotNet is a powerful .NET library designed for creating accurate and reproducible benchmarks. It handles complexities like warm-up, outlier removal, and statistical analysis, presenting results in a clean, customizable summary format. BenchmarkDotNet has tons of features that are essential in comprehensive performance investigations. Four aspects define the design of these features: simplicity, automation, reliability, and friendliness. A lot of hand-written benchmarks produce wrong... -
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big.js
Fast JavaScript library for arbitrary-precision decimal arithmetic
big.js is a compact JavaScript library for arbitrary-precision decimal arithmetic. It avoids many floating-point accuracy problems that occur with JavaScript’s native Number type. Values are stored using a decimal coefficient, exponent, and sign rather than ordinary binary floating-point representation. Its API supports arithmetic, comparisons, powers, square roots, rounding, and common numeric formatting methods. Precision and rounding behavior can be configured for operations such as... -
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AQL
Advanced Query Language
.../ Logical regular expression matches /- Split string by regular expression /+ Replace by regular expression // All matches = Assignment + Addition or concatenation - Subtraction / Division * Multiplication -
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coral-ctc-terminal-calculator
A minimal calculator application for terminal lovers
CTC is a minimal and easy-to-use calculator application for your terminal. This project is meant for people who are quick with terminal applications, who may want a replacement for a GUI calculator. -
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ToxTrac 2026
Free Animal Tracking Software
ToxTrac is a free Windows program optimized for tracking animals. It uses an advanced tracking algorithm and includes Preprocessing, Background subtraction, Advanced collision and occlusion management, Post-processing, and Filters. It is robust; very fast; and can handle one or several animals in one or several environments. The program provides useful statistics as output. ToxTrac can be used for fish, insects, rodents, etc. If used, please cite: Rodriguez, A., Molares-Ulloa, A., Andersson, M., and Brodin, T. (2026). ... -
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BioXTAS RAW
Processing and analysis of Small Angle X-ray Scattering (SAXS) data.
BioXTAS RAW is a program for analysis of Small-Angle X-ray Scattering (SAXS) data. The software enables: creation of 1D scattering profiles from 2D detector images, standard data operations such as averaging and subtraction, analysis of radius of gyration (Rg) and molecular weight, and advanced analysis using GNOM and DAMMIF as well as electron density reconstructions using DENSS. It also allows easy processing of inline SEC-SAXS data and data deconvolution using the evolving factor analysis (EFA) or the regularized alternating least squares (REGALS) methods. ... -
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QxCalc
QxCalc, a scriptable calculator
QxCalc For mathematical calculations in high-school, physics, chemistry, mathematics, economics, electrical, mechanical. Create equations, and also calculate with them, with ease. You use the calculator the same way as you use a pen and paper. It is quite simple, and can do a lot of work given syntax correctness. It comes with a "basic" gui, however the best way to use it is with the 'vim' editor, for which it has a syntax highlight file (calc.vim). -
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Elite Calculator
Elite Calculator - Accurate Math Solutions
...Designed with a sleek interface and packed with features, it's your all-in-one math assistant. Key Features: 🔢 Standard Calculator: Perform basic arithmetic operations like addition, subtraction, multiplication, and division. 📐 Scientific Mode: Access advanced functions for trigonometry, logarithms, and more. 🎨 Customizable Themes: Switch between light and dark themes. 📏 Dynamic Font Adjustment: Ensures clear and readable calculations. 🌐 Offline: No data collection, no ads. ⌨️ Keyboard Shortcuts: Enhance productivity. ... -
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Pakö
Pakö 2 - FT8, FT4 and JTTY for amateur radio. Free software (GPL v3).
Pakö ("to communicate" in the Bribri language of Costa Rica) is a free, open-source program for amateur radio digital modes: FT8, FT4 and the new JTTY mode. It is a simple, friendly alternative for operators who want to get on the air quickly: pick a station, double-click, and Pakö completes the QSO and logs it. Version 2 adds JTTY (keyboard-to-keyboard, RTTY-style operation without time slots, using the engine from WSJT-X 3.2), editable macros, rig control through Hamlib, new/worked... -
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Gel Blot Analyzer is a comprehensive desktop application designed to streamline the annotation, analysis, and presentation of gel electrophoresis images. Built for researchers, students, and scientists, this tool simplifies the often tedious process of preparing gel images (SDS-PAGE, Western Blots, DNA gels, etc.) for lab notebooks, presentations, and publications. From precise labeling and molecular weight prediction to powerful densitometric analysis, Gel Blot Analyzer combines...
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lms2fits
Dual-channel spectroscopic receiver using LimeSDR-USB
`lms2fits` is a dual-channel spectroscopic receiver for radio astronomy that employs theLimeSDR's LimeSDR-USB dual-channel transceiver, which in turn employs Lime Microsystems' LMS7002M transceiver chip. These systems allow a frequency-agile (<30 MHz to 3.8 GHz) receiver providing Stokes parameters in dynamic spectra of up to 60 MHz analog bandwidth streamed to a FITS file with three-axis primary table. It runs on linux under .Net. -
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rx2fits
HF/VHF spectrosopy code for the rx888mk2 direct-sampling receiver
rx2fits is an SDR code for the rx888mk2 direct-sampling receiver that streams spectral data with frequency up to 65 MHz to FITS files. This code is for the direct-sampling input of the receiver, which transmits real samples over USB3 at up to 130 MHz sample rate. rx2fits processes these samples to spectral intensities via a Fourier-transform poly-phase filter bank, which provides spectral resolution approaching the spectral bin width with good stop-band and adjacent-channel rejection. ... -
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Image16
Image viewer/editor specialized in astrophotography 16bits processing
Opens/saves TIF, FITS, PNG, XISF, PXM, RAW, JPG, XCF, PSD, WEBP. AsinH, Sqrt, Ln, Exp and Sqr stretching, HSL and RGB adjusting, Levels and Curves adjusting and Background Extraction for Color Balance, Flatness and Gradient Correction. Arithmetic between images. Resizing and croping. Color Balance based on background, selection or stars B-V (after platesolving). Debayering/Bayering. Inversion, mirroring, rotation, barrel/pincushion correction. RGB alignment/shifting. Erode, Dilate, ...... -
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QwikTape
Do calculations, annotate it like you would on a paper "qwikly".
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Java Calculator
Supports PEDMAS order of computation and Reverse Polish Notation Gener
...Performs the computation of the arithmetic expression if Integers or Floating point numbers are used in the expression. Supports PEDMAS order of computation, thus, all the operators of Exponentiation, Division, Multiplication, Addition and Subtraction, as well as using Parentheses for grouping and prioritization is all handled. -
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Math Tester
Math exam generator and tester
Math exam generator and tester. Comes with three 50 question exams and a basic arithmetic problem generator that generates problems involving addition, subtraction, multiplication, division and mixed problems involving bracketed math operation and also arithmetic operations involving fractions. Math tutorial for basic math concepts also included. Suitable for elementary to highschool level math. -
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simple calculator ->>> typing string-> converting string to two arraylists (one with numbers second with operators)-> searching from left for privileged operators-> calculating them-> returning result as a string. //---REQUIRES JAVA JDK---//
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Fraction Java library
The Fraction Java class represents fractions.
The Fraction Java class provides four basic operations on fractions: addition, subtraction, multiplication and division - with automatic simplifying. Rounding to nearest integer the is available too. Provided source code is for reference purposes only.
