Keys:

• n – reset current field to zero
• z – new line
• f – change framerate
• + / - – toggles the operator in the current line (alternatively, simply click on the operator)
• Arrow keys – navigate between fields

Mouse:

• Drag&Drop – click inside any result and drag it into any input field
• Mouse wheel – increases/decreases the value in the current input field by 1 frame

Buttons:

• + / - – toggles the operator
• = – copies the adjacent result to the clipboard
• xx FPS – switch between framerates
• 24/99 h – toggles the 24-hour wrap-around on or off (for real-time codes)

Cursor:

• If the cursor is positioned before a digit, typing will simply overwrite it.
• If the cursor is at the very right of an input field, existing digits will shift to the left as you type (like on a calculator).