Casio Original FX-991Ms Scientific Calculator Black

Non Programmable

Number of Functions : 401

10 + 2 digits10-digit mantissa + 2-digit exponential display.

Dot matrix displayHigh-resolution screen provides beautiful looking graphs every time.

Regular percentRegular percentage calculations.

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

Solar & Battery solar powered when light is sufficient, battery powered when light is insufficient.

Plastic Keys designed and engineered for easy operation.

S-V.P.A.M. (Super Visually Perfect Algebraic Method)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.

STAT-data Editors viewing and editing of input data.

Non Graphing

Matrix

Basic Statistics standard statistics functions such as Mean, SUM, Standard Deviation, and Regression

Basic Mathematical Function trigonometric, Exponential logarithmic, etc.

Equation

Differentiation

Metric conversion Function you can convert a number in one unit to a number in a different unit.

Complex number calculation

Base-n Calculated binary/Octal/Hexadecimal

Scientific Constant you can use constant symbols used in physics, science classes.

Vector

Integration