NEWYES 991ES Plus Scientific Calculator with Writing Tablet, 417 Function with Solar Battery, Professional Upgraded 991ES Plus Calculator Portable Notepad Back to School Supplies for Student, Teacher

it is really good quality my daughter loves that she can write on the screen, but apparently she is not allowed to use it when she does her GCSE exam, not sure about other schools. overall it's really good and easy to use.

Excellent item just as described fantastic for upper school five star XO

Really good product, arrived in no time at all and performs as listed. Would highly recommend.

Surprisingly useful calculator for A-Level, Engineering etc. The stylus-notepad is fun, useful and conveniently easy to use. The calculator is a standard scientific, broadly in line with the old workhorse Casio fx-991EX. Under the MODE menu we have: 1. COMP 2, CMPLX 3. STAT (1 variable and 2-Variable Regression of all kinds) 4. BASE-N (DEC, HEX, BIN, OCT; includes logic functions e.g. XNOR, NEG) 5. EQN (Up to cubics; others available via the SOLVE function) 6. MATRIX (Up to three 3 x 3) 7. TABLE (Single function f(x) only) 8. VECTOR (2-dim or 3-dim with dot and cross product) Good to have the functions accessible via buttons rather than deep menus. Factorial, nCr and nPr for example, are accessible using only the SHIFT key. The very useful ":" multi-statement button enables you to show a sequence of calculations with successive presses of the = button, and the ANS key adds another layer of useful recursion. Numerical differentiation and integration work fine, and there's a Sigma template for summing single-variable functions over a given range. All in all, good value for money and the folder stylus pad makes the most useful calculator cover out there.

very nice

Really good

Easy to use. But writing board broke down after uses 2 times, even changed battery still no works. Quality no good.

Too good for school, so wasn't allowed to use fir school GCSE's