Financial decisions, which are major life decisions, can often be overly complicated. Day-to-day financial calculations and investment decisions can be time-consuming and prone to human error. Thus, keeping in mind the complicated nature of finance and the heavy dependence on these formulas for decision-making, the need for a comprehensive financial calculator rises. The financial calculator is a set of comprehensive logical formulas that takes user input and provides recommendations along with numerical values. The program uses Python scripting language and is focused on the core logic. The program also uses a variety of finance topics and related concepts.