Basic Calculator
Use StickyCalc like any standard calculator. Click number buttons or type on your keyboard to enter values.
- Numbers & Operators: Click buttons or type 0-9, +, -, *, / on your keyboard
- Equals: Press = or Enter to calculate
- Clear: Press AC button or C/Escape key to clear
- Backspace: Press ⌫ button or Backspace/Delete key to remove last digit
- Percentage: Click % button to convert to percentage
Sticky Notes
Create visual sticky notes by dragging numbers from the calculator to the canvas.
- Create Note: Click and drag the yellow input field outside the calculator area
- Move Notes: Click and drag any sticky note to reposition it
- Reuse Numbers: Drag a sticky note back onto the calculator to use its value
- Delete Note: Drag a sticky note to the red zone at the bottom of the screen
- Add Memo: Type any letter (a-z) to add a memo label to the current input
- Edit Memo: Click on a memo label to edit it
Multi-Select & Batch Operations
Select multiple sticky notes to see their total or delete them all at once.
- Select Multiple: Click and drag on the canvas to create a selection box
- View Total: Selected notes show their sum in a popup
- Copy Total: Click "Copy" button or press Command+C (Mac) / Ctrl+C (Windows)
- Delete All: Click "Delete All" button to remove all selected notes
- Deselect: Click anywhere on the canvas to clear selection
Keyboard Shortcuts
- Command+C / Ctrl+C: Copy selected notes total (or current input if nothing selected)
- Command+V / Ctrl+V: Paste number into calculator
- Enter / =: Calculate result or create sticky note (if no operator)
- Escape / C: Clear calculator
- Backspace / Delete: Remove last digit
- 0-9, +, -, *, /: Direct number and operator input
- A-Z: Start editing memo label
Scientific Calculator
Switch to Scientific mode in Settings for advanced math functions.
- Trigonometry: sin, cos, tan (and inverse functions with 2nd button)
- Powers & Roots: x², x³, xʸ, √, ∛, ʸ√x
- Logarithms: log, ln, e^x, 10^x
- Constants: π (pi), e (Euler's number)
- Parentheses: ( ) for grouping expressions
- Angle Mode: Toggle between Degrees and Radians with Deg/Rad button
- Memory: M+ (add to memory), M- (subtract), MR (recall), MC (clear)
Drawing Tools
Click the pencil icon to annotate your calculations with drawings.
- Draw Mode: Click pencil button to enable/disable drawing
- Pen Sizes: Choose from Thin, Medium, or Thick
- Colors: Select from 8 different colors
- Eraser: Switch to eraser mode to remove drawings
- Clear All: Click "Erase All" to clear all drawings
Auto-Save
Your work is automatically saved to your browser's local storage.
- Sticky notes and their positions are saved automatically
- Current calculator input value is preserved
- Drawings are saved automatically
- Settings preferences are remembered
- Everything restores when you return to the site