A standard android calculator does not have many useful features like finding prime factors,G.C.D/L.C.M of numbers, converter base of a number from standard decimal or finding all the prime numbers between two given numbers..CalcX comes to the rescue..!!

A simple user friendly application for all VJTI students to calculate their pointers

Basic Electronics Calculator from simple formula in thai electronics book.

Advanced options calculator. Quickly get value, greeks and implied volatillity. Calculate the value and greeks (Delta, Gamma, Vega, Theta, Rho) of any European or American style option. Get the implied volatillity for any American or European style option given it's settlement price. Select between using the Black Scholes formula or a numerical binomial tree method.