Algebra
Work with equations, variables, expressions, inequalities and functions.
∑ π √ ∞
Meow34
Explore mathematics through simple explanations, important formulas and useful examples. Learn one concept at a time.
Explore Maths Core subjects
Geometry
Understand shapes, angles, areas, volumes and the geometry of space.
Trigonometry
Learn about triangles, sine, cosine, tangent and trigonometric identities.
Calculus
Explore limits, derivatives, integrals and how mathematics describes change.
Statistics
Discover averages, probability, distributions and interpreting data.
Number Theory
Explore primes, factors, divisibility, sequences and the properties of numbers.
Essential Formulas Quick reference
Quadratic Formula
x = −b ± √(b² − 4ac)
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2a
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2a
Used to solve equations in the form
ax² + bx + c = 0.
Pythagorean Theorem
a² + b² = c²
For right-angled triangles,
c is the hypotenuse.
Circle Area
A = πr²
r represents the radius of the circle.
Simple Interest
I = Prt
P = principal, r = rate,
t = time.
Maths at a Glance
π
Approximately 3.14159
∞
A concept representing no finite limit
0
Neither positive nor negative
Study Tip
Mathematics becomes easier when you understand why a formula works instead of simply memorising it. Start with the concept, work through an example, then practise it yourself.
Concept → Example → Practice → Mastery