Scheme expressions Scheme programs consist entirely of two types of expressions. Atomic expressions Self-evaluating:numbers,booleans 3,5.5,-10,#t,#f Symbols:names bound to values +modulo,list,x,foo,hello-world Combinations (<operator><operand1><operand2>...Scheme programs consist entirely of two types of expressions. Atomic expressions ● Self-evaluating: numbers, booleans 3, 5.5, -10, #t, #f ● Symbols: names bound to values +, modulo, list, x, foo, hello-world Combinations (<operator> <operand1> <operand2> …) Scheme expressions