We like mechanical calculators like slide rules, but we have to admit that we had not heard of the Ott Derivimeter that ...

Derivatives are financial instruments whose value is derived from one or more underlying assets or securities (e.g., a stock, bond, currency, or index). A derivative is a contract that derives its ...

Step 1: Log in to your margin account and calculate the value of all the shares you have. For example, suppose you hold 1000 shares of Rs. 10 each and 500 shares of Rs. 15 each. The total value ...