Formula Finder
All formulas are stored in the database — add or edit them from Admin → Tools → Formulas.
5 formula(s)
Maths
Area of circle
A = πr²
r = radius
Maths
Compound interest (annual)
A = P(1 + R/100)^n
A amount after n years
Maths
Pythagoras theorem
a² + b² = c²
Right triangle; c hypotenuse
Maths
Quadratic formula
x = (−b ± √(b² − 4ac)) / (2a)
For ax² + bx + c = 0
Maths
Simple interest
SI = (P × R × T) / 100
P principal, R rate %, T time in years