Easy, Fast São Tomé and Príncipe (São Tomé and Príncipe dobra) currency converter and calculator ??
Convert between STD (São Tomé and Príncipe dobra) and popular world currencies including US Dollar, Euro, Pound, Japanese Yen, Swiss Franc and more than 90 others.
Convert between crypto currencies & STD (São Tomé and Príncipe dobra) (NEW) currencies like Bitcoin, Etherium, Tether, Binance Coin, Solana and more than 60 others.

4 IN 1 - Converter, Calculator, Discount tool, Tips Calculator:
Instant Conversion - Real-time São Tomé and Príncipe dobra STD conversions to/from major currencies.
Calculator - Calculate and convert result to/from São Tomé and Príncipe dobra STD.
Discount Tool - Calculate final price after discount, useful when shopping and on SALE season!
Tip Calculator - Calculate tip amount for a bill, useful when dining out.

Top features:
    ‣ Automatic Rate Update automatic and regular rate update São Tomé and Príncipe dobra (STD)
    ‣ Quick Conversion Table - for quick reference currency conversions São Tomé and Príncipe dobra (STD) rates, or add your own (NEW)
    ‣ Custom Conversion Fee - add custom fee to your conversions, by percent or/and by value
    ‣ Custom Rate custom currency rate setting - set your own rate for even more precise currency rates
    ‣ Offline Rates once downloaded, rates are saved on your device! No internet needed.

Additional Features:
    ‣ Supported Languages: English, German(Deutsch), Spanish(Español), French(Français), Russian(Русский), Lithuanian(Lietuvių), Italian(Italiano), Polish(Polski), Portuguese(Português), Danish(Dansk), Turkish(Türkçe), Thai(ไทย), Dutch(Nederlands)
    ‣ Supported Tablets: all Android, (Samsung, OnePlus, Huawei, Xiaomi...) Tablets
    ‣ Value Swap: Easily switch values between STD and other currencies
    ‣ Copy, Paste, Clear: Easily copy, paste, and clear values for quick and efficient use.
Automatic rate update São Tomé and Príncipe dobra STD to all currency, saves rates for later offline usage!
    ‣ Customizable Precision: Choose between 2, 3, or 4 decimal places.
    ‣ Custom Separators: Six styles of thousands separators.
    ‣ Decimal Customization: Choose between "," or ".".
    ‣ Vibration Feedback: Enable/disable vibration on button clicks.
    ‣ AutoFit: Ensure all digits fit on the screen.
    ‣ App Themes: Customize the app’s appearance, choose from six themes.
    ‣ Custom number fonts