Tecnológico de Monterrey Campus Estado de México Multimedia BS2001

MTI Fernando Carlos Rivero

I. Definition

Change certain amount of Mexican Pesos to its equivalent in US

Dollars. (The exchange rate is not a known data)

Tecnológico de Monterrey Campus Estado de México Multimedia BS2001

MTI Fernando Carlos Rivero

II. Analysis

How many USD I will get with my “N” pesos?

What is the Exchange rate?

BBV-BancoTec

Tecnológico de Monterrey Campus Estado de México Multimedia BS2001

MTI Fernando Carlos Rivero

II. Analysis a) Constants: There are no constants in this problemb) Variables:

• Input Variables (IV): • IV1: How many Mexican Pesos (MP) does

the user want to change• IV2: Exchange Rate (ER)

• Output Variables (OV):• OV: Dollars resulting from the MP (USD)

c) Operators (OP): Arithmetic “/” (division) d) Operations: Mexican Pesos (MP) Exchange Rate (ER)

Tecnológico de Monterrey Campus Estado de México Multimedia BS2001

MTI Fernando Carlos Rivero

III. Design: Algorithm and/or Pseudo Code (You can write either the Algorithm or Pseudo Code or both)

1. Start2. Type Mexican Pesos to change3. Save into input variable (memory cell) MP, the

Mexican Pesos to change4. Type Exchange Rate (How many Mexican Pesos

are equal to ONE US Dollar)5. Save into input variable ER, the Exchange Rate6. Divide MP/ER and save the result into the output

variable US Dollars (USD)7. Print USD8. End

Tecnológico de Monterrey Campus Estado de México Multimedia BS2001

MTI Fernando Carlos Rivero

III. Design: Flow Chart

“How many Mexican Pesos do you want to change?”

MP = “Number of Mexican Pesos typed”

“Type the Exchange Rate”

1

ER = “Exchange Rate typed”

1

END

“Total US Dollars changed are: ” USD

USD = MP ER

START

Tecnológico de Monterrey Campus Estado de México Multimedia BS2001

MTI Fernando Carlos Rivero

IV. TestAssign input variables some “Run Test” values

RUN TEST NO. 11. Start2. MP = 113. ER = 11 4. USD = 11 115. USD = 16. End

RUN TEST NO. 21. Start2. MP = 203. ER = 10.654. USD = 20 10.655. USD = 1.876. End