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Portable Network Graphic  |  1995-09-29  |  78KB  |  816x1056  |  8-bit (256 colors)
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OCR: 35 Now that we know lot about variables, I'd like to mention another programmers' jargon word: anexpression An expression II simply something that has value For example1o an expression. LogoMation we use expressions to provide value to arguments For example theForward statement has one argument, and that arqument can be any expressi ion, incl luding all the math that you want such a6x1 As usua parent thesi can be used to tIogdMa ation how t o evaluate the express ion. Wi thout paren these LogoMa tion computes rst the multipli icati ons pue divisions, then the addi tion and subtract. ions There are two types of "valuergoMation numbers, and stri .ngs We have seen bothLogoMation all Lows you use them interchangeably for example the sioingas the same effect Forward cta tement the numb0 LogoMat ...