if you are looking for all purpose calculaor which can solve all your scietnific deals and also convert from one unit to another including all basic calculations a calculator can do and ONLINE!, then probably e-calc is the best option you can have. Its not only simple but beats any calculator availble for sure.
If not more but it will be able to solve 80% of any body’s need for a calculator. So next you dont find your calculator on your desk, time to switch to E-Calc
Related : SpeedCrunch – The most powerful desktop calculator you can have
