How to use: Enter a number, then press +, −, ×, or ÷ to add it to the tape. Press T (Total) to see your grand total, or ST (Subtotal) for a running subtotal without clearing. Use M+ / MR for memory.
⌨️ Keyboard Shortcuts
0–9, .Enter digits
+ − * /Operations
Enter / TGrand Total
SSubtotal
BackspaceDelete last digit
EscapeClear All
DeleteClear Entry
MMemory + / MR (shift)