Minicalculators in the classroom

ग्रंथसूची विवरण
मुख्य लेखक:	Caravella, Joseph R.
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	Washington, D.C. National Education Association c1977.
विषय:	Calculating machines. Mathematics > Study and teaching.