๐งฎScientific Calculator
An advanced scientific calculator with matrices, statistics and equation solving. Expression-style sci calc (trig, log, exp, fractions, Ans, AโZ variables), polynomial & equation solver, matrix operations (determinant, inverse, rref, linear systems), and statistics (mean, std dev, quartiles, linear regression) โ all computed instantly in your browser.
How to use
- 1Pick a tab: Calc ยท Solver ยท Matrix ยท Stats.
- 2In Calc, type an expression or use the keypad (e.g. sin(30)+ncr(5,2)). Supports DEG/RAD/GRAD, โถFrac, Ans, and variable storage.
- 3In Solver, enter polynomial coefficients or f(x) with an interval to find roots.
- 4In Matrix, enter A and B to compute determinant, inverse, product, rref, and linear systems.
- 5In Stats, paste a list of numbers for mean, std dev, quartiles, and linear regression.
FAQ
Can I change the angle unit?+
Yes โ choose DEG, RAD, or GRAD at the top of the Calc tab, or cycle with the MODE key.
Can I reuse previous results or variables?+
Use the Ans key for the last result, and 'Store Ans' into AโZ variables, then reference that letter in expressions (e.g. A^2).
Can answers show as fractions?+
Turn on โถFrac in the Calc tab to also display the result as an a/b fraction when it is rational.
What matrix operations are supported?+
Up to 5ร5: add, subtract, multiply, scalar multiply, determinant, inverse, transpose, rref, and solving Ax=b.
Does the solver find complex roots?+
The polynomial solver (degree 2โ4) returns both real and complex roots as aยฑbi. The f(x)=0 solver finds real roots numerically within the interval you set.
Can it draw graphs?+
For graphs, use the separate Graphing Calculator tool โ a shortcut link sits at the bottom of each tab.