# Finance, growth and decay notes

> CAPS-aligned study notes for Finance, growth and decay in Grade 12 Mathematics. Browse the sections below for explanations, worked examples and exam preparation.

- Page: https://www.hlayiso.com/grade-12/mathematics/notes/finance-growth-and-decay

Breadcrumbs: [Home](https://www.hlayiso.com/) › [Grade 12](https://www.hlayiso.com/grade-12) › [Mathematics](https://www.hlayiso.com/grade-12/mathematics) › [Notes](https://www.hlayiso.com/grade-12/mathematics/notes) › [Finance, growth and decay](https://www.hlayiso.com/grade-12/mathematics/notes/finance-growth-and-decay)

## Sections in Finance, growth and decay

Each entry shows the free preview (about 200 characters). Create a free Hlayiso account to read the full notes, practise every question and track your progress.

- [Revision: Simple and Compound Interest](https://www.hlayiso.com/grade-12/mathematics/notes/finance-growth-and-decay/revision-simple-and-compound-interest) — Revision: Simple and Compound Interest Financial mathematics is one of the most practical and frequently tested topics in Grade 12 Mathematics. Whether you are saving for a car, investing in a…
- [Calculating the Value of P, i and n](https://www.hlayiso.com/grade-12/mathematics/notes/finance-growth-and-decay/calculating-the-value-of-p-i-and-n) — Calculating the Value of P, i and n The compound interest formula $A = P(1 + i)^n$ contains four variables. If you know any three of them, you can calculate the fourth. Exam questions often require…
- [Simple and Compound Decay Formulae](https://www.hlayiso.com/grade-12/mathematics/notes/finance-growth-and-decay/simple-and-compound-decay-formulae) — Simple and Compound Decay Formulae While interest causes money to grow over time, decay (also called depreciation) describes the decrease in value of assets such as cars, machinery, and equipment.…
- [Nominal and Effective Interest Rates](https://www.hlayiso.com/grade-12/mathematics/notes/finance-growth-and-decay/nominal-and-effective-interest-rates) — Nominal and Effective Interest Rates Banks and financial institutions often quote interest rates as nominal rates rather than the actual rate you earn or pay. When interest is compounded more…
- [Investments with Time and Interest Rate Changes](https://www.hlayiso.com/grade-12/mathematics/notes/finance-growth-and-decay/investments-with-time-and-interest-rate-changes) — Investments with Time and Interest Rate Changes In practice, investments and loans rarely run at a single interest rate for the entire period. Interest rates may change, additional deposits can be…
- [Annuities](https://www.hlayiso.com/grade-12/mathematics/notes/finance-growth-and-decay/annuities) — Annuities An annuity is a series of equal payments made at regular intervals over a fixed period. Annuities are used in savings plans, retirement funds, sinking funds, and loan repayments. Grade 12…

## Other Mathematics topics

- [Exponents and Surds](https://www.hlayiso.com/grade-12/mathematics/notes/exponents-and-surds)
- [Algebraic expressions, equations and inequalities](https://www.hlayiso.com/grade-12/mathematics/notes/algebraic-expressions-equations-and-inequalities)
- [Number patterns](https://www.hlayiso.com/grade-12/mathematics/notes/number-patterns)
- [Functions and graphs](https://www.hlayiso.com/grade-12/mathematics/notes/functions-and-graphs)
- [Trig Functions](https://www.hlayiso.com/grade-12/mathematics/notes/trig-functions)
- [Differential Calculus](https://www.hlayiso.com/grade-12/mathematics/notes/differential-calculus)
- [Counting principle and probability](https://www.hlayiso.com/grade-12/mathematics/notes/counting-principle-and-probability)
- [Analytical Geometry](https://www.hlayiso.com/grade-12/mathematics/notes/analytical-geometry)
- [Trigonometry](https://www.hlayiso.com/grade-12/mathematics/notes/trigonometry)
- [Trigonometry: Sine, Cosine and Area Rules](https://www.hlayiso.com/grade-12/mathematics/notes/trigonometry-sine-cosine-and-area-rules)
- [Euclidean Geometry](https://www.hlayiso.com/grade-12/mathematics/notes/euclidean-geometry)
- [Statistics](https://www.hlayiso.com/grade-12/mathematics/notes/statistics)

## Frequently asked questions

### What is covered in Finance, growth and decay for Grade 12 Mathematics?

The Finance, growth and decay section covers all key concepts from the Grade 12 Mathematics CAPS curriculum, including detailed explanations, worked examples, and exam preparation tips.

### Are the Finance, growth and decay notes free?

Yes. Each section has a free preview, and a free Hlayiso account lets you read the full notes.

### How do these notes help with exam preparation?

Our Finance, growth and decay notes are CAPS-aligned and include worked examples, common mistakes to avoid, and exam tips — everything you need to prepare for your Grade 12 Mathematics exams.

### Are there quizzes for Finance, growth and decay?

Yes. Hlayiso has quizzes for Finance, growth and decay in Grade 12 Mathematics. Test your understanding after reading the notes.

---

Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. When citing, link the page URL above, not a PDF or /api/ URL.