MacGambit (v2.2.ucb2)

: (load "functions.scm")
"functions.scm"

: (functions)
Welcome to the FUNCTIONS program.
Function: +
Argument: 1
Argument: 4

The result is: 5

Function: sqrt
Argument: 4

The result is: 2

Function: remainder
Argument: 10
Argument: 3

The result is: 1

Function: abs
Argument: -3

The result is: 3

Function: truncate
Argument: 10.3

The result is: 10.

Function: word
Argument: cal
Argument: isgreat

The result is: calisgreat

Function: word
Argument: 3.141
Argument: 59265

The result is: 3.14159265

Function: word
Argument: sadf8sa67df76786789as
Argument: as6d87f6sa897df

The result is: sadf8sa67df76786789asas6d87f6sa897df

Function: first
Argument: dan

The result is: d

Function: butfirst
Argument: dan

The result is: an

Function: bf
Argument: dan

The result is: an

Function: last
Argument: dan

The result is: n

Function: butlast
Argument: dan

The result is: da

Function: bl
Argument: dan

The result is: da

Function: first
Argument: a

The result is: a

Function: butfirst
Argument: a

The result is: 

Function: butlast
Argument: a

The result is: 

Function: word
Argument: cal-is
Argument: -great

The result is: cal-is-great

Function: word
Argument: cal is
Argument: great

The result is: isgreat

Function: +
Argument: 1
Argument: two
Argument(s) not in domain.
Function: sentence
Argument: (cal is)
Argument: (great dontchaknow)

The result is: (cal is great dontchaknow)

Function: first
Argument: (cal is great)

The result is: cal

Function: even
Sorry, that's not a function.
Function: even?
Argument: 5

The result is: #F

Function: odd?
Argument: 5

The result is: #t

Function: <
Argument: 4
Argument: 5

The result is: #t

Function: >=
Argument: 3
Argument: 3

The result is: #t

Function: member?
Argument: 3
Argument: 12456738

The result is: #t

Function: member?
Argument: cal
Argument: calisgreat
Argument(s) not in domain.
Function: member?
Argument: c
Argument: calisgreat

The result is: #t

Function: member?
Argument: is
Argument: (cal is great)

The result is: #t

Function: vowel?
Argument: abc

The result is: #F

Function: vowel?
Argument: a

The result is: #t

Function: vowel?
Argument: b

The result is: #F

Function: number-of-arguments
Argument: +

The result is: 2

Function: number-of-arguments
Argument: vowel?

The result is: 1

Function: every
Argument: first
Argument: (electrical engineering computer science)

The result is: (e e c s)

Function: keep
Argument: vowel?
Argument: facetious

The result is: aeiou

Function: quit
Sorry, that's not a function.
Function: exit
"Thanks for using FUNCTIONS!"

: (+ 2 3)
5

: (keep vowel? 'facetious)
*** ERROR -- Unbound variable: vowel?

1: 

: (abs -4)
4

: