FX-991ES Plus 1/2 Functional Scientific 10+2 Digit Calculator Student Engineer
FX-991ES Plus can work note only with batteries,,, but also with solar energy. The use of a bi-directional power supply also saves energy in sufficient amount of light. In cases where the light is insufficient, it consumes the battery.
There are 417 different functions in the
product, which enriches the standard
functions with many scientific competencies.
Tables, fractions, combinations,
permutations and statistics calculations
make up standard functions.
In addition to the above, random integers
and a new equation mode are also added to
the Casio calculator, which adds to
difference calculations with its new
features. In addition, integration, matrix,
vector, differential and complex number
calculations are offered to the user.
Another of the privileges that bring the
usage to a perfect level is the special
screen. The calculator's high resolution
display features a dot matrix. The unique
display can display exponential of a 2-digit
number along with a 10-digit coefficient.
The Casio FX-991ES Plus Calculator also
offers a textbook display. With the Natural
VPAM screen, all expressions can be
converted into textbook format.
Specifications:
Type: Scientific Calculator
Number of Functions: 417
Power Source: Solar Energy / Battery
Textbook Screen: Yes
Digit Display: 10 + 2
Package Content:
1x FX-991ES Plus Calculator
We accept paypal only！
Payment must be received within 7
business days of auction closing.
No combine postage discount.
1.
We will send the goods out within
3 working days after got your
payment .
2.Tracking No. will be provided within 2
business days after the shipment.
3. We strive our best to provide you the
most reliable, affordable way of
shipping service. But sometimes it is
highly depended on the shipping courier
and local customs. If you do not
receive your item on time, please
feel free to contact us, thanks.
1.
Item could be returned for refund
or replacement within 30 days from
the date you receive it.
2. Returned merchandise must be unused,
in original packaging and include
all accessories. Original shipping
costs are not refundable.
3. Before sending back any return items,
please contact with us for a
correct return address.
4. Any products returned to seller
without an RMA will be void, and
we will be sent back to the buyer at
his/her expense.
5. Return tracking number will be
helpful to this process.
1. All merchandise we sell are in good quality and under strict examination before they are shipped out. We will try our best to avoid any quality problem.
2. We warrants this product against defects in workmanship and material for a period of 1 year from it’s original purchase date.
3. Any unit which proves defective during the warranty validation period will be repaired without charge for parts or replaced. The end user is responsible for all freight charges incurred to REPLACE the products.
1.
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later than 24 hours
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