Features: OOTDTY   2-line display 40 scientific calculations Multi-replay function, Matrix calculations, Equation calculations, Vector- calculations, Differential calculations, SOLVE function etc brand new and high quality 240 Functions 10+2 digits colored students exam calculation. Comes with slide-on hard case Fraction calculations/ Integration calculations/Statistics (STAT-data editor, Standard deviation, Normal distribution calculations, Regression analysis) Logical operations,complex number calculation, engineering symbol calculations Specifications: Item: 240 Functions Students calcluation Size:approx 15.5x8.7cm/6.1x3.42in Color: Rose Red/ Blue/ Green/ Black/ Pink/ Orange Weight:110g Material: ABS Package Includes: 1 x Calculator Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.