Conceptronic Calculator with NumKeypad vs Conceptronic Numeric Keypad

Comparison of Calculator with NumKeypad, Numeric Keypad

9 specifications	A Conceptronic Calculator with NumKeypadView product	B Conceptronic Numeric KeypadView product
Keyboardidentical
Connectivity technology	Wired	Wired
Device interface	USB	USB
Keyboard number of keys	19	19
Mouseidentical
Mouse included	No	No
System requirements1 differ
Mac operating systems supportedDiffers	No	Yes
Weight & dimensionsidentical
Keyboard weightKnown for one	100 g	—Unknown — not stated by the source
Other features1 differ
Compatible operating systemsDiffers	Windows 98SE/ME/XP/2000	Windows 98/ME/2000/XP Mac OS 8.5 +
I/O ports	2x USB	2x USB
Featuresidentical
Cable lengthKnown for one	—Unknown — not stated by the source	0.7 m

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.