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desimal math problem

Posted on 1997-06-11
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Last Modified: 2010-04-06
using a math problems to caoculate Speeds and Feeds on CNC machines.  Basic program tried

var
  A, B                 :String[6];
  N1,D1,X1, Ans, Ans1  :????; {used Integer and Real}
begin
  N1:=300.0
  D1:=1.500
  X1:=3.82
  Ans:=X+1N+1D1);
  Ans1:=3.82+1.5+300.0
  Str(ans,A);
  Str(Ans1,B);
  Label1.Caption:=A;
  Label2.caption:=B;

When I used these I got the correct answer for B and an off the wall answer for A

The two formulas I'm trying to use are

  RPM=FPM( Drill Size / material type)
      3.82   .500         300

  IPM= RPM X Dia.
             
Please have a sample of the code.  I get more out of looking at code than reading text and manuals..            
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Question by:jim zerbe
1 Comment
 
LVL 3

Accepted Solution

by:
hpierson earned 50 total points
ID: 1336976
I actually went to the trouble of typing in your program, and running it (using the type real). It worked perfectly after I corrected your typos, in particular:

ans := X1 + N1 + D1;

and putting semi colons at the end of each statement.

Look at your code carefully. The first time I type this, I left out the above line, and since this left ans undefined (and filled with garbage), when I converted from real to string, I got off the wall garbage...<g>
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