Two of the best dual power scientific calculators for KS 3, 4 and GCSE maths and Scottish exams ……   

The Casio FX 85GT+ and the Logik LK 83XP are excellent choices for your

GCSE maths students.  They  benefit from battery power with solar power back-up  to provide extra reassurance for your students. Both calcs have a “natural display” function which enables students to enter expressions and data as shown in textbooks.  As you might expect,  the build quality of these calcs is excellent and both benefit from a THREE year warranty to provide peace of mind for teachers and students alike.   (excludes damage to the LCD).

The Logik  LK 83XP has similar features to the Casio FX 85GT+  but without the “verify” and “recurring decimal” functions. Both calcs  feature  prime factorisation, random numbers, algebraic logic, multi-line replay, standard deviation, log / anti-log, hyperbolics etc and have a three year warranty and are available at short notice from Signpost Educational Ltd.,

The  Logik LK 83XP  is available from £ 5.25 each  ex vat while the Casio FX 85GT+  starts at £ 7.75 each ex vat. 

In addition,  with orders for 100 or more of the LK 83XP   you have the option of obtaining the popular  “Value Maths set”   for  just 95p  (ex vat)

Normal  price  £ 1.25 (ex vat)

For more information & prices plus other products please visit:    

 or email to:    or phone: 020 7515 1797

Signpost Educational Ltd  PO Box 999  London E14 6SH 

PS.  orders are usually delivered within 1-3 working days.