Scientific Calculator
Full scientific calculator with trig, logs, powers, memory and history
⌨️ Keyboard supported — numbers, operators, Enter (=), Backspace (⌫), Escape (AC)
// History
// Function Reference
How to Use the Scientific Calculator
Click buttons or type on your keyboard. Use the DEG/RAD toggle to switch between degrees and radians for trigonometric functions. Press 2nd to access inverse trig functions (arcsin, arccos, arctan). All calculations are shown in the history panel and can be clicked to recall the result.
Order of Operations
This calculator respects standard mathematical order of operations (PEMDAS/BODMAS): Parentheses first, then Exponents, then Multiplication and Division (left to right), then Addition and Subtraction (left to right). Use parentheses to override this where needed.
Memory Functions
MS — store current value in memory. MR — recall memory value. M+ — add current value to memory. M− — subtract current value from memory. MC — clear memory. A blue "M" indicator appears when memory holds a value.
From the Blog
// Chaining
Click a result in history to load it into the display, then continue calculating from there.
// Degrees vs Radians
sin(90°) = 1 in DEG mode. In RAD mode, sin(π/2) = 1. Always check your angle mode before trig calculations.
// Memory Tip
Use M+ to accumulate a running total — add each result to memory and read the final sum with MR.
// Keyboard Shortcuts
Enter = equals, Escape = AC, Backspace = delete, ^ = power, % = percent.