About CalculatorOS
Your trusted source for free, accurate, and easy-to-use online calculators
Meet Our Founders
Gülşah Çevik
Chemical Engineer
Content Design & User Experience
İsmail Çevik
Electrical-Electronics Engineer
Software Developer & Technical Lead
Site Founders
CalculatorOS is a platform founded by Gülşah and İsmail Çevik, aiming to provide user-friendly and reliable calculation tools.
Our Mission
At CalculatorOS, we believe that everyone should have access to reliable, professional-grade calculation tools without any cost or complexity. Our mission is to provide a comprehensive collection of calculators that help people solve problems, make informed decisions, and save time in their daily lives.
What We Offer
Professional-grade calculation tools designed for accuracy, ease of use, and accessibility
Free Calculators
Access to hundreds of specialized calculators covering math, finance, health, construction, and more.
Mobile Friendly
All our tools work perfectly on desktop, tablet, and mobile devices.
Privacy First
Your data stays on your device. We don't collect or store personal information.
Educational Content
Comprehensive guides and tutorials to help you understand the calculations.
Our Story
CalculatorOS was born from a simple observation: while there are many calculator apps available, most are either too basic, too expensive, or too complicated. We set out to create a platform that combines the best of all worlds - professional accuracy, user-friendly design, and complete accessibility.
Today, we serve millions of users worldwide, from students and professionals to everyday people who need quick, reliable calculations. Our commitment to quality and user experience drives everything we do.
Why Choose CalculatorOS?
- No registration required - start calculating immediately
- Regular updates and new calculators added frequently
- Step-by-step explanations for complex calculations
- Professional-grade accuracy and reliability
- Clean, intuitive interface design
- Comprehensive coverage of calculation needs
Get In Touch
Have questions, suggestions, or need support? We'd love to hear from you!
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