My cheat was to write the formula for quadratic equations for a TI 57 with its 50 step programming capacity. I just put in the a, b, and c values then R/S (run/stop) and it'd spit out the answers on a red LED display for the high school algebra test I was taking in 1980 as a freshman.
My cheat was to write the formula for quadratic equations for a TI 57 with its 50 step programming capacity. I just put in the a, b, and c values then R/S (run/stop) and it'd spit out the answers on a red LED display for the high school algebra test I was taking in 1980 as a freshman.