Texas Instruments TI-84 Plus CE Color Graphing Calculator vs Ember Temperature Control Smart Mug 2 (14 oz)

What separates them

These two differ on 3 recorded specifications. The Ember Temperature Control Smart Mug 2 (14 oz) is ₹2,000 dearer.

Texas Instruments

Texas Instruments TI-84 Plus CE Color Graphing Calculator

₹12,990

The exam position is the thing to establish before buying: this is approved for SAT, ACT, AP and IB, and CBSE, ICSE, JEE and NEET permit no calculator at all.

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Ember

Ember Temperature Control Smart Mug 2 (14 oz)

₹14,990

About 80 minutes off the coaster is the specification that decides whether this is what you think it is.

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Who the Texas Instruments TI-84 Plus CE Color Graphing Calculator is for

Buy it if: Students sitting international examinations, or using it for coursework and Python.

Avoid it if: Anyone buying it for CBSE, ICSE, JEE or NEET -- no calculator is permitted in those.

Who the Ember Temperature Control Smart Mug 2 is for

Buy it if: Anyone who drinks slowly at one desk with the coaster permanently plugged in.

Avoid it if: Anyone wanting a travel mug -- 80 minutes unplugged is not that.

Specifications, side by side

3 of 14 rows differ. Differences first.

Specification	Texas Instruments TI-84 Plus CE Color Graphing Calculator	Ember Temperature Control Smart Mug 2
Price	₹12,990	₹14,990
Battery	Rechargeable lithium, about a month per charge	About 80 minutes unplugged
Weight	215 g	400 g
Why that matters	Buying this for Indian board exams is a misunderstanding worth heading off. It is useful for coursework and for international examinations	People buy it expecting a travel mug. Away from the coaster it holds temperature for about 80 minutes and is then an ordinary mug
Warranty	1 Year Official Brand Warranty	1 Year Official Brand Warranty
App	not published	Required for temperature setting; the mug alone cannot be adjusted
Capacity	not published	414 ml
Charging	USB	not published
Display	320 x 240 colour, backlit	not published
Exam eligibility	Approved for SAT, ACT, AP and IB. Indian board examinations -- CBSE and ICSE -- and JEE and NEET do not permit any calculator	not published
Memory	3 MB flash, 154 KB RAM	not published
On the coaster	not published	Indefinite -- the coaster powers it, so it holds temperature all day only while sitting on it
Programming	TI-BASIC and Python on current models	not published
Temperature range	not published	50 to 62.5 degrees C, set by app
Washing	not published	Hand wash only, and it must not be submerged past the marked line

Every row is a figure one or both products record. A blank is a figure the catalogue does not hold, not a zero.

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