iPhone Calculator – Exchange Rates and Mode
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📱 iPhone Calculator: How to activate scientific mode, change the exchange rate and use all its functions
At first glance, the iPhone calculator appears to be a simple tool for quickly adding or multiplying. However, it hides many advanced features: scientific mode, currency and unit conversion, and even handy shortcuts via Spotlight or Siri. Here's a complete guide to getting the most out of it.
🔹 1. Where to find the calculator on iPhone?
- From Control Center: Swipe down from the top right corner (or bottom on older models) and tap the calculator icon.
- From the Home screen: Use Spotlight search by typing calculator.
- With Siri: Just say “Hey Siri, what is 245 times 13?”
🔹 2. Activate hidden science mode
The iPhone calculator switches to scientific mode automatically:
- Open the calculator.
- Rotate your iPhone to landscape mode.
- You then have access to: sine, cosine, tangent, square roots, exponentials, logarithms, etc.
👉 Ideal for students, engineers or anyone who needs advanced features.
🔹 3. Currency conversion and exchange rates
Contrary to popular belief, the native Calculator app doesn't directly allow you to change the exchange rate. However, there are several solutions:
✅ Method 1: Spotlight
- Swipe down to open Spotlight search.
- For example, type “100 EUR in CHF” or “50 USD in EUR”.
- Immediate result, based on current exchange rates.
✅ Method 2: Siri
- Say: “Hey Siri, convert $200 to Swiss francs.”
- Siri uses Apple's updated rates.
✅ Method 3: Third-party applications
If you need an integrated calculator with personalized rates (for example for a trip, a budget or professional monitoring):
- Download an app like XE Currency, Currency Converter Plus, or CalConvert.
- They allow you to save your favorite currencies and update rates in real time.
🔹 4. Unit conversion (weight, distance, temperature, etc.)
The iPhone also allows you to convert:
- Temperatures: Type “30°C in Fahrenheit”.
- Distances: “10 km to miles”.
- Weight: “5 kg in pounds”.
These conversions also go through Spotlight or Siri, directly without an external application.
🔹 5. Hidden Tricks of the iPhone Calculator
- Delete a number without starting over: Swipe the screen from right to left or left to right on the displayed number.
- Return to last result: Open the app again, it will be automatically displayed.
- Quick calculations with Control Center: no need to leave your current app, the calculator remains accessible everywhere.
🔹 6. In summary
- Scientific mode is activated by rotating the iPhone to landscape.
- Exchange rates and currency conversions are done via Spotlight, Siri, or third-party apps.
- The iPhone calculator remains a powerful tool, far beyond simple addition.
Pour convertir des devises sur votre iPhone, ouvrez l’application Calculatrice, touchez l’icône de la fonction Convertir (souvent située en bas à gauche), puis sélectionnez Devise. Choisissez votre devise de départ et de destination, saisissez le montant et les taux de change s’afficheront automatiquement. Assurez-vous que votre iPhone est à jour avec iOS 18 ou une version ultérieure pour accéder à cette fonctionnalité.
Steps to convert currencies:
Ouvrez l’application Calculatrice: sur votre iPhone.
Activez la fonction Convertir: en touchant l’icône correspondante, généralement un bouton en bas à gauche.
Select the conversion type: by choosing Currency from the category list.
Select the currencies: departure and destination.
Saisissez le montant: dans l’un des champs de saisie.
Le montant converti s’affichera automatiquement dans l’autre champ.
Important :
Cette fonctionnalité est intégrée à l’application Calculatrice depuis iOS 18 et plus.
Si vous ne voyez pas l’option « Convertir », assurez-vous que votre iPhone dispose d’iOS 18 ou d’une version plus récente.
