All-in-One MultiCalculator

1. Download and open All-in-One MultiCalculator from your app store; no account is required. 2. On the home screen, choose a tool: Calculator, Converter, or Finance to start your task. 3. Calculator: switch modes such as basic or scientific, enter your expression, view instant results, then use History to review or copy. 4. Converter: select a category like length, weight, temperature, or currency, enter a value, and get precise conversions; turn on live exchange rates in Settings for up-to-date currency values. 5. Finance: open Loan, Mortgage, Tip, Discount, or Bill Split, fill in the key fields such as amount, rate, and term, then review payments or savings; add favorites and adjust theme and decimal precision in Settings for faster access.