Symbolic Calculator

象徵性的，科學的，圖形計算器 - 與求解的最佳工具代數

Symbolic, scientific, graphing calculator with a powerful algebra engine and convenient user interface.

The perfect math app with features on par with high-end scientific calculators, this is the ideal tool for high-school and college students, engineers or anyone who needs more than usual scientific calculators offer.

- Exact arithmetic, fractions are not converted to decimal format (unless you select rounded numerical mode)

- Formulas displayed in "natural" form (pretty printed fractions, square roots, exponents, etc)

- Both the usual and more advanced operations (add, subtract, multiply, divide, square root, logarithmic, trigonometric, etc. with any number of brackets)

- History, storing results in an easy-to-use way in memory

- Unlimited number of variables, user-defined custom functions

- Simplifying or expanding polynomials and other expressions

- Solving equations, systems, differential equations, numerical and symbolical solvers

- Integrals, derivatives, limits, taylor series, etc for function analysis

- Full support for complex numbers

- Vectors, matrices, linear algebra

- Plotting of functions (tap the expression in the history and select "plot")