Instructions: the text area below (source) works just like a Smalltalk workspace. To evaluate some code, just select it and press the "do it" button. "Print it" is like "do it", but it also prints the result by sending it the printString message. Once you have finished going through these examples, make sure you check out my Logo and Prolog interpreters. Source 1 + 2 * 3 123 printString size 6 pe