Pushbutton mathematics calculator math (1 Ergebnisse)

First Edition. Near fine cloth copy in a very good if somewhat sun-toned dust-wrapper, now mylar-sleeved. Remains strong and well-preserved overall; internally tight and clean. Series; A Spectrum book. Physical description; x, 197 pages : illustrations ; 24 cm. Notes; Includes index. Subjects; Mathematics Problems, exercises, etc. Calculators Problems, exercises, etc. 20th century. Textbook. Reference. Illustrated. 1 Kg. …