Feature packed math package. Symbolic algebra; integrate and see explanation, differentiate, factorise polynomials. Solve linear and non-linear equations. Optimise an expression. Five kinds of regression / least squares fit. Plot functions.
Software provides user interface should be user-friendly, even for those with limited graphic design experience. Software compatible with different file formats such as JPEG, PNG, PDF, and SVG, so that you can easily export and share your designs.