New fx-570MS 2nd Edition Powered by 1pcs AAA size battery 401 Functions / Dot Matrix 2-Line Display / 10+2 Digits / Plastic Keys Multi-replay function , Matrix calculations , Equation calculations , Vector calculations , Differential calculations , SOLVE function STANDARD MODEL SPECIFICATIONS 401 Functions S-V.P.A.M. ~super visually perfect algebraic method Fraction Calculations Combination and permutation Statistics (STAT-data editor, Standard deviation, Regression analysis) 9 Variables Multi-replay Equation calculations, Vector calculations, Differential calculations, SOLVE function Integration calculations Base-n calculations/ conversions Complex number calculations Logical operations Matrix calculations Engineering symbol calculations 40 Scientific calculations 40 Matrix conversions (20 conversion pairs) CALC memory 2-Line Display 10+2 Digits Dot Matrix Plastic Keys Comes with slide-on hard case Form 4,5 -570MS 2nd Edition Just for your reference, mostly depend on class teacher & school. This info comes from runner supplying to secondary school, tqvm Original 1 year local warranty Warranty for buttons&screen under manufacturer defects. Unclaimable if item is faulty due to any other Human errors.