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From: chandler@kinetics.com (Mark Chandler)
Newsgroups: comp.sys.mac.programmer,comp.lang.c
Subject: Neophyte seeks scanf() help
Keywords: scanf think c help
Message-ID: <1991Mar4.233141.29874@novell.com>
Date: 6 Mar 91 02:19:19 GMT
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The News Manager)
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Organization: Novell, Walnut Creek CA.
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Date: Mon, 4 Mar 1991 23:31:41 GMT

I just started a C programming class a few weeks ago and
have run into a problem that I can't figure out.  I have
a *very* simple funtion that prompts the user to input a
number and then echoes it back.  The function is:

float get_tax(void)
{
         float tax;
	
	  printf("Enter the tax: ");
	  scanf("%f", &tax);
	  printf("The tax is %.4f\n", tax);
	
	  return tax;
}

Running it produces the following:

Enter the tax: 0.01
The tax is 0.1000
           ^^^^^^

Can someone explain what's going on here?  I'm running
THINK C v4.02 with the TCL, scanf(), and color.h updates
on a Mac IIsi.

*Any* help is greatly appreciated.



Mark Chandler              |     The opinions expressed above 
chandler@wc.novell.com     |     are mine, not my employer's.