Computer graphics as an aid to teaching mathematics
Bernard Louis Baltz · OhioLink ETD Center (Ohio Library and Information Network) · 1977
ced fro m a m icrofilm co p y o f th e original d o c u m en t.W hile th e m o st advanced technological m eans to pho to g rap h a n d rep ro d u ce this d o c u m e n t have been used, th e q u ality is heavily d ep e n d e n t u p o n th e q u a lity of th e original su b m itted .T h e follow ing ex p lan atio n o f te c h n iq u es is provided to help you u n d erstan d m arkings or p a tte rn s w hich m ay ap p ear on th is rep ro d u ctio n .1. T h e sign o r " ta rg e t" fo r pages ap p aren tly lacking fro m th e d o cu m e n t p h o to g ra p h e d is "M issing Page(s)".If it w as possible to o b ta in th e missing page(s) or section, th e y are spliced into th e film along w ith ad jacen t pages.T his m ay have necessitated c u ttin g th ru an im age and duplicating' ad jacen t pages to insure you co m p lete co n tin u ity .2. W hen an image o n th e film is o b lite ra te d w ith a large round black m ark, it is an indication th a t th e p h o to g ra p h er suspected th a t th e c o p y m ay have m oved d u ring ex p o su re and th u s cause a blurred image.Y ou will fin d a good im age o f th e page in th e adjacent fram e.3. W hen a m ap, draw ing or ch art, etc., w as p a rt o f th e m aterial being p h o to g r a p h e d th e p h o to g ra p h e r follow ed a d e fin ite m e th o d in "se c tio n in g " th e m aterial.It is cu sto m ary to begin photoing a t th e u p p e r le ft h and co rn er of a large sh eet an d to co n tin u e ph o to in g from left to right in equal sectio n s w ith a small overlap.If necessary, sectioning is c o n tin u e d again -beginning below th e first row and c o n tin u in g o n until com plete.4. T h e m ajo rity o f users indicate th a t th e te x tu a l c o n te n t is o f greatest value, how ever, a so m ew hat higher q u a lity re p ro d u ctio n c o u ld be m ad e fro m "p h o to g ra p h s" if essential to th e understanding o f th e d isse rta tio n .Silver p rin ts o f "p h o to g ra p h s" m ay be o rd ered a t ad d itio n al charge by w riting th e O rder D ep artm en t, giving th e catalog n um ber, title , a u th o r an d specific pages y o u wish reproduced.