00948nam a2200265Ia 4500 TVU_16252 210423s9999 xx 000 0 und d 0538439149 9780538439145 eng 4 A109 Jones, Arvella Touch Operation of the Electronic Calculator Arvella Jones Australia Thomson Learning 2005 71 p. ill. 28 cm Like the previous edition, after only ten 55-minute sessions, users will become proficient touch-method operators of any calculator or microcomputer with a ten-key pad. A valuable supplement in accounting, record keeping, business math, and other classes where calculators or computers are used Calculators; Business mathematics Arvella Jones Trung tâm Học liệu Trường Đại học Trà Vinh