Trigonometry
Calculate sine, cosine, tangent and their inverse functions in degrees or radians.
Free Online Scientific Calculator
Perform advanced mathematical calculations instantly. Perfect for students, engineers, and professionals across Australia.
Scientific Calculator
Calculation History
Your calculations will appear here
Calculator Features
Logarithms
Compute natural logarithms (ln) and base-10 logarithms (log) with precision.
Powers & Roots
Calculate squares, cubes, custom powers, and roots of any number.
Memory Functions
Store, recall, add to, and subtract from memory for complex calculations.
Mobile Friendly
Fully responsive design works perfectly on phones, tablets, and desktops.
History Tracking
View your calculation history and easily reuse previous results.
How to Use This Scientific Calculator
1
Enter Numbers
Click the number buttons or use your keyboard to enter values.
2
Choose Operation
Select basic operators (+, −, ×, ÷) or scientific functions (sin, cos, log, etc.).
3
Get Results
Press equals (=) or Enter to calculate. Results appear instantly.
4
Use Advanced Features
Toggle between DEG/RAD modes, use memory functions, or view history.
About Our Free Online Scientific Calculator
Welcome to Scientific Calculator Australia – your trusted destination for free online mathematical calculations. Our advanced scientific calculator is designed specifically for Australian students, educators, engineers, scientists, and professionals who need reliable, accurate calculations at their fingertips.
Comprehensive Scientific Functions
Our calculator offers a complete suite of scientific functions including trigonometric calculations (sine, cosine, tangent, and their inverse functions), logarithmic functions (natural log and base-10 logarithms), exponential calculations, and power and root functions. Whether you're solving complex equations for your HSC exams, working on university assignments, or performing professional engineering calculations, our tool delivers precise results every time.
Perfect for Australian Education
Aligned with the Australian Curriculum for Mathematics, our scientific calculator supports students from Year 7 through to Year 12 and beyond. It's an ideal companion for NAPLAN preparation, HSC Mathematics (Standard, Advanced, and Extension), VCE Mathematical Methods, QCE Mathematics, and tertiary education across all Australian states and territories including NSW, Victoria, Queensland, Western Australia, South Australia, Tasmania, ACT, and Northern Territory.
User-Friendly Design
We've prioritised user experience in every aspect of our calculator. The intuitive interface features clearly labelled buttons, a responsive design that works seamlessly on desktop computers, tablets, and mobile phones, and helpful features like calculation history and memory functions. Switch effortlessly between degrees and radians for trigonometric calculations, and enjoy instant results without any page reloads.
No Downloads Required
Unlike traditional calculator software, our web-based scientific calculator requires no downloads, installations, or registrations. Simply visit scientificcalculator.au from any modern web browser and start calculating immediately. It's completely free to use, with no hidden fees or premium features locked behind paywalls.
Privacy and Security
Your privacy matters to us. Our calculator performs all calculations locally in your browser – no data is sent to external servers. Your calculation history is stored only on your device, giving you complete control over your information.
Trusted Across Australia
Since our launch, thousands of Australians have relied on Scientific Calculator Australia for their mathematical needs. From high school students in Sydney to mining engineers in Perth, from university researchers in Melbourne to accountants in Brisbane, our calculator serves Australians nationwide with fast, accurate, and reliable calculations available 24 hours a day, 7 days a week.
Experience the convenience of professional-grade scientific calculations right in your browser. Bookmark scientificcalculator.au today and make complex maths simple!