| a | b | c |
|---|---|---|
| 2 | 3 | 5 |
| 1 | -2 | 3 |
| 3 | 1 | 4 |
The calculator uses Cramer's Rule. For 3 equations: X = Dx / D, Y = Dy / D, Z = Dz / D.
Enter coefficients of your linear system into the form. Press Solve. Result appears above the form. Use CSV or PDF download for records.
Q1: Can I solve 2x2 systems?
Yes, enter zeros for unused variables in one equation.
Q2: What if determinant is zero?
No unique solution exists. System may be dependent or inconsistent.
Q3: Can I solve more than 3 equations?
No, this calculator is limited to 3 equations only.
Q4: How precise are results?
Results follow PHP floating point precision, generally sufficient for most calculations.
Q5: Can I download results?
CSV and PDF download options are provided for saving outputs.
Q6: Do I need internet?
No, the calculator works entirely on the server running the code.
Q7: Are fractions supported?
Yes, decimal values can be entered, fractions converted to decimals.
Q8: Can I solve non-linear equations?
No, only linear systems are supported by this calculator.