Free module · Foundations
Math & Notation Essentials
Read the symbols, keep track of units, and build a calculation one small step at a time.
notation · units · algebra · modelling
The building blocks
- A variable names a number.
- An equation says two expressions have the same value.
- Read quantities and units
- Convert percentages and rearrange an equality
- Use functions, sums and vectors
Lessons in this module
- Start with numbers, variables and an equals sign
- Percentages, basis points and units
- Rearrange an equation without changing its meaning
- Powers, square roots, exponentials and logarithms
- Read sums, indices, averages and squared deviations
- Probability, expectation and conditioning
- Vectors, matrices and transpose notation
- Derivatives, integrals and approximations
Practice and apply
- Solve for a net-profit target — Buy 20 shares at $50. Round-trip costs total $4. Find the exit price for a $36 net profit.
- Undo addition — Solve x+5=12.
Work through the practice exercises · Quant development tools