Retractable stand
PC Link calcuator (with USB cable to link to PC)
Key roll over function
Durable plastic keytops
Installation Requirement: Win XP/2000/ME/98
Calculation Mode: - Tax Calculation
Result send function
PC Mode: +, -, *, / = function
fx = formula
"Backspace" key
"Enter" key
Up, Down, Left, Right key