<s>
Photomath	B-Application
is	O
a	O
mobile	B-Application
computer	B-General_Concept
algebra	I-General_Concept
system	I-General_Concept
with	O
an	O
augmented	O
optical	B-Application
character	I-Application
recognition	I-Application
system	O
designed	O
for	O
use	O
with	O
a	O
smartphone	O
's	O
camera	O
to	O
scan	O
and	O
recognize	O
mathematical	O
equations	O
;	O
the	O
app	O
then	O
displays	O
step-by-step	O
explanations	O
onscreen	O
.	O
</s>
<s>
The	O
app	O
is	O
based	O
on	O
a	O
text	B-Application
recognition	I-Application
engine	O
developed	O
by	O
Microblink	B-Application
,	O
a	O
company	O
based	O
in	O
London	O
and	O
Croatia	O
,	O
and	O
led	O
by	O
Damir	O
Sabol	O
,	O
which	O
also	O
includes	O
the	O
same	O
people	O
who	O
are	O
developing	O
both	O
Photomath	B-Application
and	O
Photopay	O
.	O
</s>
<s>
The	O
company	O
Photomath	B-Application
LLC	O
is	O
legally	O
registered	O
in	O
San	O
Mateo	O
,	O
California	O
,	O
and	O
,	O
in	O
2021	O
,	O
the	O
company	O
announced	O
$23	O
million	O
in	O
Series	O
B	O
funding	O
led	O
by	O
Menlo	O
Ventures	O
,	O
with	O
participation	O
from	O
GSV	O
Ventures	O
,	O
Learn	O
Capital	O
,	O
Cherubic	O
Ventures	O
and	O
Goodwater	O
Capital	O
.	O
</s>
<s>
Photomath	B-Application
uses	O
the	O
camera	O
on	O
a	O
user	O
's	O
smartphone	O
or	O
tablet	O
to	O
scan	O
and	O
recognize	O
a	O
math	O
problem	O
.	O
</s>
<s>
Photomath	B-Application
's	O
in-house	O
math	O
R&D	O
team	O
researches	O
teaching	O
methodologies	O
from	O
around	O
the	O
world	O
,	O
and	O
solutions	O
and	O
solving	O
steps	O
are	O
expert-verified	O
.	O
</s>
<s>
In	O
2017	O
,	O
The	O
Tech	O
Edvocate	O
named	O
Photomath	B-Application
among	O
its	O
top	O
20	O
teaching	O
and	O
learning	O
apps	O
.	O
</s>
<s>
Photomath	B-Application
's	O
main	O
features	O
are	O
generally	O
free	O
of	O
charge	O
.	O
</s>
<s>
Photomath	B-Application
offers	O
an	O
additional	O
premium	O
subscription	O
,	O
'	O
Photomath	B-Application
Plus	O
 '	O
,	O
for	O
users	O
who	O
want	O
extra	O
help	O
,	O
with	O
things	O
like	O
mathematic	O
word	O
problems	O
,	O
or	O
worked	O
textbook	O
solutions	O
.	O
</s>
