Kalkio : Vocal & Scientifique

Kalkio is a modern calculator in French, designed for everyday use as well as advanced calculations. Enter your operations by voice,

convert units, and keep a history of each calculation.

Five built-in modes cover most needs, without intrusive ads or registration.

▸ MAIN FEATURES

• Standard calculator: addition, subtraction, multiplication, division with implied parentheses.

• Scientific mode: sine, cosine, tangent, logarithm, exponential, square root, power, factorial, π, e.

• Converter: length, weight, temperature, volume, area, speed, data, time.

• Programmer mode: binary, octal, decimal, hexadecimal conversions and bitwise operations.

• Practical tools: tip calculation, bill splitting, VAT rate.

▸ VOICE CONTROL IN FRENCH

Tap the microphone and dictate your calculation: "five plus three," "square root of forty-nine," "twelve times eight."

Voice recognition is processed locally by your device—no audio data is sent to our servers.

▸ HISTORY & MEMORY

• Complete history of your calculations with timestamps and notes.

• Named memory slots to reuse your frequently used values.

• Undo/redo up to 50 actions.

• Automatic saving: resume your current calculation after closing.

▸ REFINED DESIGN

• Eight visual themes (light, dark, ocean, forest, sunset, purple, etc.).

• Premium DM Sans + DM Mono typography.

• Smooth animations, optional haptic feedback, and selectable key sounds.

• Interface optimized for Android phones and tablets.

▸ TOUCH GESTURES

• Right swipe: Undo the last operation.

• Left swipe: Redo.

• Up swipe: Open history.

• Long press on the result: Copy to clipboard.

• Double tap: Paste a number from the clipboard.

▸ PRIVACY

Kalkio works offline for calculations. No personal data, calculations, or history are sent to our servers.

Advertis are provided by Google AdMob, and a GDPR consent screen is displayed to European users.

Privacy Policy: https://ardaris.fr/kalkio-privacy/

▸ WHO IS IT FOR?

Students, engineers, accountants, developers, parents helping with homework, professionals on the go—anyone who needs
a complete and fast calculator in French.

▸ SUPPORT

A question, a suggestion, a bug? Write to us at contact@ardaris.fr — we respond within 48 business hours.

Kalkio is published by Ardaris.