Your Money Is Melting — Depreciation & Inflation | IB Maths AI SL

Everything AI SL asks for on depreciation and inflation — including how to find the real value of an investment on your TI-Nspire. Work along with a calculator in front of you. Pause wherever you need to. 0:00 Intro 0:50 Where this fits in the finance unit 1:30 What you'll be able to do 2:30 Part 1 — Depreciation 3:40 How depreciation actually works 4:10 The formula, and why r is negative 5:10 Depreciation on the TI-Nspire — two ways 7:00 How many years until it drops below $20,000? 9:00 Your turn — the laptop 9:50 Part 2 — Inflation 12:10 What the exam means by "real value" 14:30 Worked example — $10,000 at 4%, inflation 2.5% 15:30 Real value on the TI-Nspire 17:10 Your turn — $5000 at 6%, inflation 3% 19:10 Both ideas on one page The exam-style question at the end is your practice. Please give them a go and drop me a message if you have any questions. IB Maths AI SL · Applications and Interpretation · SL 1.4 · depreciation · inflation · real value · TI-Nspire Finance Solver