Texas Instruments TI-84 Plus CE Color Graphing Calculator vs Ghost-Grid Magnetic Dry Erase Whiteboard 36x24

What separates them

These two differ on 1 recorded specification. The Texas Instruments TI-84 Plus CE Color Graphing Calculator is ₹7,991 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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Ghost-Grid

Ghost-Grid Magnetic Dry Erase Whiteboard 36x24

₹4,999

Whiteboard surfaces come in three tiers and nobody explains them at the point of sale: melamine is cheapest and ghosts within months, painted steel ghosts over years, and porcelain enamel does not ghost at all and costs several times more.

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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 Ghost-Grid Magnetic Dry Erase Whiteboard 36x24 is for

Buy it if: Anyone wanting a magnetic board that will last years rather than months.

Avoid it if: Anyone leaving writing up for weeks at a time -- that ghosts any painted surface.

Specifications, side by side

1 of 16 rows differ. Differences first.

Specification	Texas Instruments TI-84 Plus CE Color Graphing Calculator	Ghost-Grid Magnetic Dry Erase Whiteboard 36x24
Price	₹12,990	₹4,999
Weight	215 g	4.2 kg
Warranty	1 Year Official Brand Warranty	1 Year Official Brand Warranty
Battery	Rechargeable lithium, about a month per charge	not published
Charging	USB	not published
Cleaning	not published	Wipe daily. Ink left for weeks bonds and ghosts sooner
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
Ghosting	not published	Faint permanent shadow left by dry erase ink. It is a surface property, not a cleaning failure
Magnetic	not published	Yes, which melamine boards are not
Marker note	not published	Permanent marker can be removed by writing over it with dry erase and wiping immediately
Memory	3 MB flash, 154 KB RAM	not published
Mounting	not published	Wall brackets included
Programming	TI-BASIC and Python on current models	not published
Surface	not published	Painted steel
Surface types	not published	Melamine is cheapest and ghosts within months. Painted steel is mid-range and ghosts over years. Porcelain enamel does not ghost and costs several times more
Why that matters	Buying this for Indian board exams is a misunderstanding worth heading off. It is useful for coursework and for international examinations	not published

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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