A calculator - Normal, Scientific, Interest, Annuity calculations Do all normal arithmetic calculations Do many types of scientific function calculations viz. logarithms, exponents, trigonometric ratios from angles &amp\; angles from ratios, temperature conversion between Celcius &amp\; Farenheit, random number generation etc. Do all mensuration calculations viz. calculate area and volume of various geometric entities Simple interest, compound interest, annuity, present value, future value calculations etc. Capital Gains based on Cost Inflation Index as per Indian Tax Laws Date calculation, displaying specified period in other time measurement units, hours (or degrees) - minutes - seconds conversion etc.Brief help is also provided. All users will use this program at their own risk and will not hold the developer responsible for any reason at all.