Casio Calculator (FX991MS)

* Casio fx-991MS is a non-Programmable scientific calculator with 401 functions. * Calculator has dot-matrix display for easy viewing and entering of long algebraic functions and equations. * it can solve Trigonometrical, Statistical, Integral, Differential, Matrix, Vector calculations and many more. * Calculator is made with wear resistance printing and has drop resistant body. * This is powered by Solar & Battery.