The $100 calculator era has long been a racket and blatant collusion between tes...

		KoftaBob on Sept 23, 2019 \| parent \| context \| favorite \| on: Is the era of the $100 graphing calculator coming ... The $100 calculator era has long been a racket and blatant collusion between test taking companies (College Board, ACT, etc) and Texas Instruments. Same goes for universities forcing students to buy the latest edition of textbooks, despite the new version having very few differences.