Algebra
Algebra Fundamentals
Build the foundation for all higher mathematics by understanding how equations, formulas, ratios, and scaling work together.
Core Concepts Covered
- ✔ Variables and expressions
- ✔ Solving one-step and multi-step equations
- ✔ Isolating variables in formulas
- ✔ Ratios, proportions, and cross-multiplication
- ✔ Real-world scaling and dimensional reasoning
Interactive Application
Each concept includes clear explanations, step-by-step examples, and guided practice with linked calculators for hands-on reinforcement.
Select a concept or jump directly into a calculator below to begin.
Algebra I 3 Foundations Active
One-Step Equation Solver
Solve basic linear equations with one operation (addition, subtraction, multiplication, or division).
PEMDAS / Order of Operations Calculator
Evaluate numerical expressions following the correct order of operations: Parentheses, Exponents, Multiplication/Division, and Addition/Subtraction.
Two-Step Equation Solver
Solve linear equations that require two steps: reversing addition/subtraction and then reversing multiplication/division.
Algebra II 3 Foundations Active
Exponent Rules Calculator
Simplify expressions using the Product, Quotient, and Power of a Power rules.
Quadratic Formula Solver
Solves quadratic equations of the form ax² + bx + c = 0.
Radical Simplifier
Simplify square roots and nth roots by finding the largest perfect power factors.
Pre-Calculus 3 Foundations Active
Complex Number Calculator
Perform addition, subtraction, multiplication, and division on complex numbers (a + bi).
Function Evaluation
Evaluate a quadratic function f(x) for a specific value of x.
Parabola Vertex Calculator
Find the vertex (h, k) of a parabola given in standard form.