This site features the following scientific tools, the most advanced, powerful and easy-to-use **online calculators**.

*Use either MathCalc, a single Java applet which is comprised of the following calculators, or, if you prefer, choose a calculator below*.

**Online Graphing Calculator**- Graph functions
- y = f(x) or r = f(θ)
- Find x-intercepts
- Calculate and graph 1st and 2nd order derivatives
- Calculate definite integral, area and arc length
- Generate table of values
- Graph equations
- g(x,y) = f(x,y) or g(θ, r) = f(θ, r)
- Graph general equations with x and y variables on both sides
- Graph conic sections in general or standard forms
- Graph level curves
- Graph implicitly defined functions
- Calculate derivative dy/dx or dr/dθ implicitely
- Graph parametric equations
- p(t) = (x(t), y(t)) or p(t) = (θ(t), r(t))
- Animate parametric graphs to trace them automatically
- Calculate and graph 1st and 2nd order derivatives
- Generate table of values
- Plot point sets
- x1,y1; x2,y2;... or θ1,r1; θ2,r2;...
- Curve fitting by polynomials
- Least-squares regression lines
- Connect with straight lines
- Graph using polar coordinate system
- Animate polar graphs to trace them automatically
- Graph in non-prependicular coordinate system
- Rotate axes (using your mouse or entering angles)
**Online Matrix Calculator**- Real / complex matrices
- Calculate arbitrary matrix expressions
- Calculate matrix determinant
- Calculate matrix inverse
- Calculate reduced row echelon form
- Calculate lower triangular form
- Calculate upper triangular form
- Calculate matrix adjoint
- Linear system Solver
- Work with augmented matrices
- Calculate RREF
**Online Complex Number Calculator**- A scientific calculator
- Calculate expressions containing complex numbers
- Standard form a + bi
- Polar form r∠(θ)
- Calculate functions with complex arguments
- Trig functions
- Logarithmic and exponential functions
- Hyperbolic functions
- Gamma, Γ, and Psi, Ψ, function
**Online Derivative Calculator**- Calculate derivatives with respect to any variable
- Calculate ordinary derivatives of single variable functions
- Calculate partial derivatives of multivariable functions
**Two-Variable Function Grapher (3D)**- Graph two-variable functions in x and y
- z = f(x,y)

The world's most advanced, most powerful and most feature-packed online graphing calculator