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<blockquote data-quote="PraetorianGuard" data-source="post: 1988053" data-attributes="member: 722698">When i compile with gcc on cygwin it ouput a huge number for year 0 interest, does anyone know why? here is my source code/* Bank.c&nbsp; &nbsp; &nbsp; *****************************************************************Bank.c is desinged to simulate a cash flow situation for aretiree. Bank.c takes into account for interst, taxes,&nbsp;living expenses, inflation and the amount of money in the bank.*/#include &lt;stdio.h&gt;int main(){printf(&quot;Bank.c&quot;);printf(&quot;\nA program which simulates a cash-flow for a retiress\n\n\n&quot;);// Intitalise Variablesfloat bank,interestrate,taxrate,livingexp,initliving,inflationrate,interest,taxout;int year;//------------------------------------------------------------------------// User input of Variables//------------------------------------------------------------------------// Initial Savingsprintf(&quot;Inital deposit to bank: &quot;);scanf(&quot;%f&quot;,&amp;bank);// Interest Rateprintf(&quot;Rate of compound interest (%%): &quot;);scanf(&quot;%f&quot;,&amp;interestrate);// Must divide percentage by 100 for a decimalinterestrate=interestrate/100.0;//Tax Rateprintf(&quot;Taxation Percentage on earnings: &quot;);scanf(&quot;%f&quot;,&amp;taxrate);taxrate=taxrate/100.0;// Initial Living Expensesprintf(&quot;Initial Living Expenses: &quot;);scanf(&quot;%f&quot;,&amp;livingexp);// Inflation Rateprintf(&quot;Rate of Inflation percentage: &quot;);scanf(&quot;%f&quot;,&amp;inflationrate);inflationrate=inflationrate/100.0;//-----------------------------------------------------------------------------// Simulation//-----------------------------------------------------------------------------year=0;printf(&quot;\nYear&nbsp; SavingsLiving Expenses&nbsp; Interest&nbsp; &nbsp;&nbsp; Tax&quot;);while (year&lt;=10){printf(&quot;\n %2d&nbsp; &nbsp;&nbsp; %8.2f&nbsp;&nbsp; %8.2f&nbsp;&nbsp; %8.2f&nbsp;&nbsp; %8.2f&quot;,year,bank,livingexp,interest,taxout);interest=bank*interestrate;taxout=interest*taxrate;bank=bank+interest-taxout-livingexp;livingexp=livingexp+(livingexp*inflationrate);year++;}//end of (year&lt;=10) while loopreturn 0;} // End of main function</blockquote>

[QUOTE="PraetorianGuard, post: 1988053, member: 722698"] When i compile with gcc on cygwin it ouput a huge number for year 0 interest, does anyone know why? here is my source code /* Bank.c ***************************************************************** Bank.c is desinged to simulate a cash flow situation for a retiree. Bank.c takes into account for interst, taxes, living expenses, inflation and the amount of money in the bank. */ #include <stdio.h> int main() { printf("Bank.c"); printf("\nA program which simulates a cash-flow for a retiress\n\n\n"); // Intitalise Variables float bank,interestrate,taxrate,livingexp,initliving,inflationrate,interest,taxout; int year; //------------------------------------------------------------------------ // User input of Variables //------------------------------------------------------------------------ // Initial Savings printf("Inital deposit to bank: "); scanf("%f",&bank); // Interest Rate printf("Rate of compound interest (%%): "); scanf("%f",&interestrate); // Must divide percentage by 100 for a decimal interestrate=interestrate/100.0; //Tax Rate printf("Taxation Percentage on earnings: "); scanf("%f",&taxrate); taxrate=taxrate/100.0; // Initial Living Expenses printf("Initial Living Expenses: "); scanf("%f",&livingexp); // Inflation Rate printf("Rate of Inflation percentage: "); scanf("%f",&inflationrate); inflationrate=inflationrate/100.0; //----------------------------------------------------------------------------- // Simulation //----------------------------------------------------------------------------- year=0; printf("\nYear SavingsLiving Expenses Interest Tax"); while (year<=10) { printf("\n %2d %8.2f %8.2f %8.2f %8.2f",year,bank,livingexp,interest,taxout); interest=bank*interestrate; taxout=interest*taxrate; bank=bank+interest-taxout-livingexp; livingexp=livingexp+(livingexp*inflationrate); year++; }//end of (year<=10) while loop return 0; } // End of main function [/QUOTE]

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