Description:

Quick Details

Packaging & Delivery

Specifications

ct-500
a.Designed for office design big screen 10 digits,
b.dual-supply,
c.check the number of functions for ct-500

ct-500 

Double solar power: low-light provided by the backup battery power.

Power on / zero key

Clear fault / clear the Enter key

Square root key

Double zero key (in this key once to enter two zeros)

Decimal key number key add / subtract / multiply / divide key

Key equal key percentage terms

Press this key to automatically check button, the stored procedure in the calculation of the calculator will automatically appear in order for the user to check

Check the button down manually (each time this button, the calculator shows the calculation process of the next step, the display order in the original calculation of the same order)

Check the manual up key (this button every time the calculator shows the calculation process of the next step, the display order in the original calculation in reverse order)

Fixed key (Press this key to manually check for errors identified during the correction and confirmation)

Right, a key (to cancel the input number of far right one)

Calculation of key positive profit, negative conversion key storage addend key deposit the sum of decreases in health key stored value call (press a key once) / Clear (button twice) key