Scientific Calculator Online for Free
Solve advanced math in seconds with ToolMint's scientific calculator. Use trigonometric, logarithmic, exponential, factorial, root, and power functions with handy DEG/RAD switching, built-in percentage math, memory controls, and calculation history in one browser-based tool.
Keyboard Shortcuts
Available Functions
Included Calculator Modes
Basic Arithmetic
Run addition, subtraction, multiplication, division, percentages, and bracketed expressions.
Trig & Angle Modes
Use sin, cos, tan, inverse trig functions, and switch between DEG and RAD modes.
Logs, Powers & Roots
Calculate logarithms, exponentials, squares, cubes, powers, square roots, and cube roots.
Memory & History
Store values in memory and review earlier calculations for multi-step work.
How to Use the Scientific Calculator
Enter an expression
Use the on-screen keypad or keyboard to type numbers, operators, and parentheses.
Choose advanced functions
Apply trig, log, exponential, factorial, root, power, or percentage functions as needed.
Set calculator mode
Switch angle units and use memory or history for longer scientific calculations.
Continue or copy the result
Use the output in the next step of your equation or copy the final answer.
Frequently Asked Questions
- What can this scientific calculator do?
- It supports trigonometric functions, logarithms, powers, roots, factorials, exponentials, parentheses, memory operations, and calculation history.
- Can I switch between DEG and RAD?
- Yes. You can toggle between degree and radian modes before calculating trig functions.
- Does it work on mobile devices?
- Yes. The calculator is fully browser-based and works on phones, tablets, laptops, and desktop computers.
- Can I use my keyboard?
- Yes. You can enter numbers and operators directly from your keyboard for faster calculations.
- Is any data uploaded to a server?
- No. Your calculations run locally in the browser, so nothing is uploaded or stored remotely.