I am attempting to write a simple program that takes a user entered value and multiply it by a constant to get a new answer and show it on the screen. To try to debug the process, I have the three values show up on the screen as separate printf statements prior to the formatted answer so that I can see if somehow the data is messed up. It appears that by initializing my input value (Org_Curr_Amt) to 0.00 and output value (New_Curr_Amt) to 0.00, I have gotten rid of the bad data that was appearing. Now it looks like the program is not reading my scanf statement properly to load Org_Curr_Amt. I will include my code to have you look at it to try to find what is wrong.
Code:
main()
{
char Menu_Opt[4]; /* Menu Option */
float Org_Curr_Amt = 0.00; /* Original Currency Amount */
float New_Curr_Amt = 0.00; /* New Currency Amount */
char Currency_Desc[24][100] = {"American Dollar (USD)", "Australian Dollar (AUD)",
"Brazilian Real (BRL)", "British Pound (GBP)", "Canadian Dollar (CAD)",
"Chinese Yuan (CNY)", "Danish Krone (DKK)", "Euro (EUR)", "Hong Kong Dollar (HKD)",
"Indian Rupee (INR)", "Japanese Yen (JPY)", "Malaysian Ringgit (MYR)", "Mexican Peso (MXN)",
"New Zealand Dollar (NZD)", "Norwegian Kroner (NOK)", "Singapore Dollar (SGD)",
"South African Rand (ZAR)", "South Korean Won (KRW)", "Sri Lanka Rupee (LKR)",
"Swedish Krona (SEK)", "Swiss Franc (CHF)", "Taiwan Dollar (TVD)", "Thai Baht (THB)",
"Venezuelan Bolivar (YEB)"};
float USD_to_AUD = 1.28436; /* Australian Dollar (AUD) */
printf("Currency Conversion\n");
printf("United States Dollars Conversion Menu\n\n");
printf("A01. USD to AUD\n");
printf("A02. USD to BRL Y02. Transfer to AUD Conversion Menu\n");
printf("A03. USD to GBP Y03. Transfer to BRL Conversion Menu\n");
printf("A04. USD to CAD Y04. Transfer to GBP Conversion Menu\n");
printf("A05. USD to CNY Y05. Transfer to CAD Conversion Menu\n");
printf("A06. USD to DKK Y06. Transfer to CNY Conversion Menu\n");
printf("A07. USD to EUR Y07. Transfer to DKK Conversion Menu\n");
printf("A08. USD to HKD Y08. Transfer to EUR Conversion Menu\n");
printf("A09. USD to INR Y09. Transfer to HKD Conversion Menu\n");
printf("A10. USD to JPY Y10. Transfer to INR Conversion Menu\n");
printf("A11. USD to MYR Y11. Transfer to JPY Conversion Menu\n");
printf("A12. USD to MXN Y12. Transfer to MYR Conversion Menu\n");
printf("A13. USD to NZD Y13. Transfer to MXN Conversion Menu\n");
printf("A14. USD to NOK Y14. Transfer to NZD Conversion Menu\n");
printf("A15. USD to SGD Y15. Transfer to NOK Conversion Menu\n");
printf("A16. USD to ZAR Y16. Transfer to SGD Conversion Menu\n");
printf("A17. USD to KRW Y17. Transfer to ZAR Conversion Menu\n");
printf("A18. USD to LKR Y18. Transfer to KRW Conversion Menu\n");
printf("A19. USD to SEK Y19. Transfer to LKR Conversion Menu\n");
printf("A20. USD to CHF Y20. Transfer to SEK Conversion Menu\n");
printf("A21. USD to TVD Y21. Transfer to CHF Conversion Menu\n");
printf("A22. USD to THB Y22. Transfer to TVD Conversion Menu\n");
printf("A23. USD to YEB Y23. Transfer to THB Conversion Menu\n");
printf(" Y24. Transfer to YEB Conversion Menu\n\n");
printf("Y99. Exit Program\n");
printf("Option: ");
scanf("%s", Menu_Opt);
if( strcmp(Menu_Opt,"A01") == 0)
{
printf("\nPlease enter your value of ");
printf("%s ", Currency_Desc[0]);
scanf("%d\n", Org_Curr_Amt);
New_Curr_Amt = Org_Curr_Amt * USD_to_AUD;
printf("%f\n", Org_Curr_Amt);
printf("%f\n", USD_to_AUD);
printf("%f\n", New_Curr_Amt);
printf("\nYour Equivalent ");
printf("%s", Currency_Desc[1]);
printf("is ");
printf("%f\n", New_Curr_Amt);
}
}