Calculator

Free currency converter or travel reference card using daily OANDA Rate® data. Convert currencies using interbank, ATM, credit card, and kiosk cash rates.

Free math problem solver answers your algebra homework questions with step-by-step explanations.

Solve derivatives using this free online calculator. Step-by-step solution and graphs included!

Solve definite and indefinite integrals (antiderivatives) using this free online calculator. Step-by-step solution and graphs included!

La calculadora de horas calcula la duración entre dos fechas en horas y minutos

This online unit conversion tool will help you convert measurement units anytime and solve homework problems quickly using metric conversion tables, SI units, and more.

CalculateMe.com is a tool that helps you convert between various things.

Cambios de moneda mundiales e historia de las tasas de cambio de moneda

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fxSolver is a math solver for engineering and scientific equations. To get started, add some formulas, fill in any input variables and press "Solve."

Estupendo graficador 3D online con el cual podrás generar increibles gráficas 3D de funciones de dos variables, superficies parametricas, vectores, etc.

Online Graph draw: plot function, plot parametric curves,plot polar curves.

Wolfram|Alpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.

Online graph sketching app that can graph functions and numerically solve differential equations. Requires Javascript HTML 5.

Free digital tools for class activities, graphing, geometry, collaborative whiteboard and more

Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

Symbolab: búsqueda de ecuaciones y solucionador matemático - resuelve problemas de álgebra, trigonometría y cálculo paso a paso