<s>
The	O
TI-12	B-Device
Math	I-Device
Explorer	I-Device
is	O
an	O
educational	O
calculator	O
designed	O
particularly	O
for	O
students	O
in	O
grades	O
3	O
–	O
5	O
.	O
</s>
<s>
The	O
Math	O
Explorer	O
slotted	O
above	O
the	O
TI-7	B-Device
MathMate	I-Device
by	O
offering	O
fraction	O
and	O
exponent	O
capabilities	O
,	O
as	O
well	O
as	O
a	O
pi	O
button	O
.	O
</s>
<s>
The	O
Math	O
Explorer	O
has	O
since	O
been	O
discontinued	O
and	O
was	O
replaced	O
by	O
the	O
two-line	O
TI-15	B-Device
Explorer	I-Device
.	O
</s>
