SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL.

Online Gematria Calculator with same phrases values search and words. English Gematria, Hebrew Gematria and Jewish Gematria and Numerology

World's simplest collection of useful utilities for working with numbers. Generate number sequences, create random numbers, sort, round, convert numbers, and more.

Online reference and tools - calculators, converters, math, electricity, web design

Gbmb is a data units converter tool for computer data storage digital information units petabytes, terabytes, gigabytes, megabytes, kilobytes and data rate units.

DataMelt (DMelt), a free mathematics software for scientists, engineers and students. It can be used for numeric computation, statistics, symbolic calculations, data analysis and data visualization. This multiplatform program combines the simplicity of scripting languages, such as Python, Ruby, Grovy and others with the power of tens of thousands Java classes for numeric computation and visualization.

Omni Calculator solves 1879 problems anywhere from finance and business to health. It’s so fast and easy you won’t want to do the math again!

Calculatored presents the variety of calculation tools. Whether you are a Student, Teacher or a Businessmen you can find the best tool for your requirement.

UnitPedia is an online web page for unit converter, math, and other stuff calculators, extra tools, name generator, and other tools generators.

Quick, free, online unit converter that converts common units of measurement, along with 77 other converters covering an assortment of units. The site also includes a predictive tool that suggests possible conversions based on input, allowing for easier navigation while learning more about various unit systems.

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.

MathStudio brings unprecedented computational power to your web browser, mobile device and computer. From building simple algorithms to creating interactive plots and animations, MathStudio bridges the gap between technology and your imagination.

Free online 3D grapher from GeoGebra: graph 3D functions, plot surfaces, construct solids and much more!

Desmos offers best-in-class calculators, digital math activities, and curriculum to help every student love math and love learning math.

Mathpix 3D Grapher – Visualize 3D math

An interactive 3D graphing calculator in your browser. Draw, animate, and share surfaces, curves, points, lines, and vectors.

The most sophisticated and comprehensive graphing calculator online. Includes all the functions and options you might need. Easy to use and 100% Free!

A simple to use online function plotter with a lot of options for calculating and drawing graphs or charts of mathematical functions and their score tables.