row_2 = working_increment*1 + row_1; working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff col_middle = col_left + (15.6 + 1.5 + 7 segment red, https://docs.broadcom.com/docs/AV02-2553EN -1 overflow 7 segment brilliant yellow green LED display Double digit seven segment hyper red LED One digit 7 segment green, https://docs.broadcom.com/docs/AV02-2553EN One digit 7 segemnt red/green LED Single digit 7 segment high efficiency red, https://docs.broadcom.com/docs/AV02-2553EN -1 overflow 7 segment LED display Double digit 7 segment ultra bright red Dubble digit green 7 segment orange LED One digit 7 segment red, https://docs.broadcom.com/docs/AV02-2553EN One digit 7 segement super bright yellow LED 4 digit 7 segment green LED.