Casio Scientific Calculator FX-115MS

Two-way power (Solar + Battery)

Solar powered when light is sufficient, battery powered when light is insufficient.

Designed and engineered for easy operation.

All the features of the existing V.P.A.M. series plus a new 2-line display and a useful Replay function. All this helps to make mathematics easier to use and easier to understand than ever before.

Back-step viewing and editing of input data.

Quick and easy recall of previously executed formulas for editing and re-execution.

10-digit mantissa + 2-digit exponential display.

High-resolution screen provides beautiful looking graphs every time.

Features:

Fraction calculations

Combination and permutation

Statistics (STAT-data editor, Standard deviation, Regression analysis)

9 variable memories

Comes with slide-on hard case