How to use the following formulas:
In DaCalc, composing window, write the expression (red part) to the edit box and save with the name of the formula (black bold part).
Copy every expression (red part) to a file and saved the file with the name of the formula (black bold part) to /sdcard/DaCalc. Open DaCal, in Load window, click Import in the menu.
Minimal request DaCalc version: 18.104.22.168
<span style="color: #ff0000;">principal*rate*(1+rate)^month/((1+rate)^month-1)</span>
2. Best sell price for a stock:
<span style="color: #ff0000;">profit/shares + badeprice * (1+rate)/(1-rate-tax)</span>
3. Body mass index:
bmi=weight / (height / 100) ^ 2