مقالات وأخبار عن الرياضيات المالية

The financial decision and the company

The financial manager's three decisions, the split between treasury and controllership, and short- and long-term sources of financing.

French System and American System of Loans

The Price table (French system) and the American system: building the schedule, finding the outstanding balance and comparing interest with SAC.

Loans and how repayment works

A loan period by period: outstanding balance, interest, amortization, installment and the constant amortization system (SAC).

Deferred uniform sequences and their future values

How to find the present value of payments with a grace period and the future value of equal monthly deposits, with retirement examples.

Uniform sequences in financial transactions

How a geometric progression leads to the present value formula of a uniform sequence, with examples of cash price, installment, down payment and IRR.

How to calculate the internal rate of return: IRR

What the IRR is, how to find it without a calculator by trial and linear interpolation, and how to use it to decide on an investment. With exercises.

Present value: moving money over time

How to bring future amounts to today: equivalent amounts, the present value of several installments and how to choose the best way to pay.

Inflation Measures: what they are and how to calculate them

What money and inflation are, how to calculate a price index and a cumulative rate, and who calculates Brazil's IPCA, INPC, IGP-M and IPC.

Financial mathematics for exams: logarithms

No calculator allowed in the exam? Learn how logarithms give you the amount and the term in compound interest, with worked examples and exercises.

Compound discounts: from a bill's face value to its net value

Compound bank and rational discount: formulas, the link between discount and interest rates, present value of debts and exercises.

Compound interest: calculators, amount and equivalent rates

Compound interest: the amount formula, financial calculators, equivalent rates and CDBs with income tax, with examples and exercises.

Simple discount: moratorium, bills and their net value

Simple commercial (bank) and rational (true) discount, face and present value, moratorium and the link between discount and interest rates.

Why study Financial Mathematics: the time value of money

First class of the Financial Mathematics course: inflation, capital, interest, interest rate, amount and percentages, with exercises and answers.

Simple interest: capital, amount and interest

Simple interest: interest and amount formulas, equivalent rates, exact and commercial interest, with examples, 19 exercises and answers.