Tired of the default, lifeless calculator app? We were too. That's why we created ThemeCalc X—a perfect blend of powerful functionality and beautiful design, built for students, professionals, and anyone who believes tools should be inspiring.

KEY FEATURES:

• A MASSIVE THEME LIBRARY: Instantly change your calculator's entire vibe with 40+ unique themes. From animated cyberpunk cityscapes to calming zen forests, find the perfect aesthetic for you.
• POWERFUL SCIENTIFIC CALCULATOR: Handle any problem with a full suite of functions, including trigonometry (sin, cos, tan), logarithms (ln, log, log₂), powers, roots, factorials, and more.
• PROGRAMMER & DEVELOPER MODE: Seamlessly switch between Decimal (DEC), Hexadecimal (HEX), Octal (OCT), and Binary (BIN) bases. Perform bitwise logic operations like AND, OR, XOR, and NOT with ease.
• CLASSIC CASIO EMULATOR: A nostalgic trip for students and engineers! Our meticulously crafted themes recreate the look and feel of iconic models like the Casio fx-991es, fx-570vn, and fx-82ms. It’s the classic experience you love, now on your phone.
• FULL CALCULATION HISTORY: Never lose track of your work. Review your previous calculations with a simple swipe.
• INTUITIVE & RESPONSIVE: A clean layout and satisfying haptic feedback make every tap a pleasure.

A THEME FOR EVERY MOOD

Go beyond a simple color change. Our theme engine transforms everything, from the background to the button styles. Discover your perfect look:

• Tech & Sci-Fi: Cyberpunk, Matrix Code, Vintage Terminal, Electric Neon.
• Calm & Aesthetic: Forest Zen, Minimalist Ink, Pastel Dream, Ocean Deep.
• Vibrant & Fun: Candy Pop, Cartoon Comic, Graffiti Street, Pixel Gaming.
• Luxe & Elegant: Luxury Gold, Crystal Glass, Steampunk Brass.
• ...and many more, with new themes added regularly!

THE LAST CALCULATOR YOU'LL EVER NEED

Whether you're a student preparing for exams, a programmer debugging code, or an engineer on the job, ThemeCalc X is designed for you. It’s the perfect combination of a reliable workhorse and a beautiful statement piece.

Download ThemeCalc X today and start calculating in style!

ThemeCalc X is free to download and is supported by ads. You can unlock premium themes or remove ads forever through optional, one-time in-app purchases.