I
, a radioisotope. The formula for Nt, the amount of radioisotope remaining after t days, isNt = N0(2-t/k)
,I
, and N0 is the initial amount.Name | Description | |
---|---|---|
A | Loop over the days |
Name | Description | |
---|---|---|
0 | Day counter | |
1 | Initial amount of isotope | |
2 | Limit value for radioactivity |
Line | Display | Key Sequence | |
---|---|---|---|
000 | |||
001 | 42,21,11 | f LBL A | |
002 | 45 0 | RCL 0 | |
003 | 42 31 | f PSE | |
004 | 8 | 8 | |
005 | 10 | ÷ | |
006 | 16 | CHS | |
007 | 2 | 2 | |
008 | 34 | x↔y | |
009 | 14 | yˣ | |
010 | 45,20, 1 | RCL × 1 | |
011 | 42 31 | f PSE | |
012 | 45 2 | RCL 2 | |
013 | 43,30, 9 | g TEST x≥y | |
014 | 43 32 | g RTN | |
015 | 3 | 3 | |
016 | 44,40, 0 | STO + 0 | |
017 | 22 11 | GTO A |