Questions & Answers for: Texas Instruments 420

...around..then try to compute IRR popped up in 2 seconds for me. word hope this helps u all ***420*** :0 As with many financial calculators, the programmed instructions will sometimes cause an ...

30% less than what number is 420? 420 is 70% of some number, so divide 420 by .7 . Press 4 2 0 / . 7 ENTER to see the answer.