="middle" width="25" height="23" border="0" hspace="3"> <font face="±¼¸²">Program name : CALT.LSP</font>
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  <font face="±¼¸²">Sometimes We need to know the result of the sum or product of numbers in a drawing. 
At that time, We usually use a calculator. The program allows you to selects the numbers in the drawing and adds them or sum, difference, product, and division. 
You can also write the results in a drawing . Operations are cumulative. 
That is, it shows the previous opera