Onwards and Upwards with the Calculator

When we unveiled our free graphing calculator a month ago, my mother said it was perfect! The other 10-something-thousand of you had slightly more constructive feedback. We love the kind words (“wow, I just found this link and am hooked;” “Incredible Work!!!!!!!!!!!!!!!!!!!!! Congratulations;” “I love this calculator so much! I’m obsessed with drawing graphs with… Continue reading Onwards and Upwards with the Calculator