This tool allows you to convert the same number between its representations under different number systems, such as decimal, hexadecimal, octal and binary numeric systems.
Includes tools to solve equations like for velocity, density, financial, geometry, algebra, calculus, astronomy, chemistry, physics and webpage color coders. Also, has trivia fact pages, such as state demographics and presidents.
Provides several online calculator tools for solving complex equations and formulas in the fields of mechanical, electrical and chemical engineering, physics, math, electronics, metallurgy and finance.
Features converters for perimeter measurements of geometric figures, fractions, percentages, number bases, loan repayments, growth and decay, cost of living index, fuel consumption, flow rate, specific energy, viscocity, and heat capacity.
Calculates distance between any two cities for selected country and locates them on the Map. Driving directions are also available for some of the countries.
Free online calculator that supports both a basic and advanced scientific mode. It includes support for the following features: complex numbers, unit conversion, base conversion, decimal to fraction, RPN and algebraic modes and equation solver.
Free online graphing calculator for education use with 2d, 3d, cartesian, polar, calculus, differential equations, scientific, implicit function components.
Features calculators for arithmetic functions, scientific computations, binary conversions, areas, financial interest, prime numbers, recurring fractions, factoring, matrices, HEX color converter, date and day calculations, as well as for measuring bandwidth.
Features calculators for arithmetic operations, hexidecimal conversions, camera focus evaluations, finding monthly mortgage payments, color codes, and to make sundials.
Free calculators for science, travel, students, health, education, weather, math, and business. Includes graphing calculators and measurement conversions.
