Math Notepad is described as «web based editor, which allows you do do mathematical calculations and plot graphs. It supports real and complex numbers, matrices, and units, and comes with all common math functions built in» and is an website in the education & reference category. There are more than 10 alternatives to Math Notepad, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Android. The best alternative is GNU Octave, which is both free and Open Source. Other great sites and apps similar to Math Notepad are MATLAB, Scilab, SageMath and SciPy & Numpy.Math Notepad alternatives are mainly Calculators but may also be Programming Languages. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Math Notepad.