Online math solver, equation editor and database, graphing calculator and science/engineering problem helper.




The best free Calculator alternative to PTC Mathcad is fxSolver. If that doesn't suit you, our users have ranked more than 25 alternatives to PTC Mathcad and eight of them are free Calculators so hopefully you can find a suitable replacement. Other interesting free Calculator alternatives to PTC Mathcad are Calcpad, EngineeringPaper.xyz, WIRIS cas and microMathematics Plus.
Online math solver, equation editor and database, graphing calculator and science/engineering problem helper.




Calcpad is a lightweight mathematical platform for cloud and desktop. It parses simple text scripts and converts them into professional Html reports. Supports complex numbers, variables, functions, graphing, units and numerical methods.




Very easy syntax to tap on, thus making it very convenient to do engineering calculation with units,function,plot and substitution. In a word, almost a perfect alternative for Calcpad.


Online engineering calculator that automatically checks/converts units, solves systems of equations, plots, and allows you to share your work with others.

WIRIS cas is an online platform for mathematical calculations designed for education. You can access a powerful calculation toolbar through an HTML page that includes integrals and limits calculation, function graphing in 2D or 3D and symbolic matrices manipulation, among others.



Scientific graphing calculator and function plotter on Android oriented around a worksheet. It allows live editing of mathematical identities combined with highly accurate computations.




Java based and open sourced version of matlab and octave
Getting more and more compatible over time.

Program that solves numerically algebraic systems of non-linear, and linear, equations. It also includes a database of thermodynamical properties for many substances and a symbolic mathematical program to perform mathematical operations.



Dysolve is a notepad-style math solver that performs complex mathematical and engineering calculations. It is a user-friendly alternative to software like Matlab or Mathcad, allowing users to create calculation documents on their smartphones.




It supports units of measurement, vectors and matrices, but is ligthweight, free and open source.