Casio FX991ES Plus Scientific Calculator:

 


Crafted with special features, this FX991ES Plus Scientific from Casio is a perfect companion that will help you make lengthy calculations with great ease.

·         417 Functions: Skillfully designed, this Scientific Calculator enables you to carry out various mathematical calculations including statistics, logistics, equations, matrix and many more.

·         Textbook Display Pattern: The textbook pattern enables you to have a better view and understanding of the results of the calculations.

·         List Format To View Data: The list format in this calculator helps you to get an easy access to the data and better understanding.

·         Recall And Re-execute Formulas: The multi-replay function of this calculator enables you to quickly recall and edit the already executed formulas with ease.

·         10 Digit Mantissa And 2 Digit Exponential Display: A simplest form of expressing bigger numbers in a decimal form, the Scientific notation is made easier to understand with the help of a Mantissa and Exponential Display.

·         High Resolution Screen: The high resolution screen of the calculator ensures beautiful and amazing presentation of graphs in a dot matrix display.

·         New Equation Mode: The new equation mode in this calculator helps you in carrying out various complex number calculations such as standard functions, permutation and combination, statistics and many more.

·         Random Integers: This calculator helps you to randomly generate integers between two different values thus, making calculations more easier and fun.


GENERAL:

Brand Name

Casio

 

Type

Scientific

Model No           

FX991ES

Product Dimensions           

Dimensions (H x W x D): 12.7 x 161.0 x 80.0 mm

 

Power Source

Solar powered with an auxiliary battery

Batteries:

1 AAA batteries

Item Weight

95gms

 

 

 

Key Features:

Type

Scientific

Power Source

Battery

Size

Handheld

Display Type

Regular

 

Key Size

Regular

Display (Digits)

 

12

 

Key Type     

Plastic

 

 

 

Miscellaneous:

Additional Features:             Case Included

 

Features overview:

·         Dot matrix display

·         Natural textbook display

·         403 functions

·         Solution of equations

·         20 pairs of values for metric conversion

·         Calculation with complex numbers

·         CALC key (temporary formula memory)

·         40 physical constants

·         Matrix/vector calculation

·         Numerical integral & differential calculus

·         Two-way power

Functions & general information

General information:

·         403 functions and 40 scientific constants

·         Display: Natural Textbook Display, 31 x 96 dot matrix

·         Power supply: solar powered with an auxiliary battery

·         With a hard case

·         Dimensions (H x W x D): 12.7 x 161.0 x 80.0 mm

Functions:

·         Repeat function

·         24 levels of brackets

·         Variable memories (6)

·         STO/RCL keys

·         Scientific functions:

·         Trigonometric and inverse trigonometric functions

·         Hyperbolic and inverse hyperbolic functions

·         Exponential functions 10x, ex

·         Inverse function x-1

·         Power and root functions x?, ?, x2, xy

·         Logarithm functions (log, ln)

·         Combinatoric and permutations

·         Random number generator

·         Converts between polar coordinates and rectangular coordinates

·         Calculates with fractions (two modes)

·         Converts between sexagesimal and decimal

·         Calculates in gradian, degree and radian measure

·         ? key, e key and % key

·         SCI/FIX

Statistics:

·         Lists of based statistics

·         Statistics with a variable

·         standard deviation

·         Statistics with two variables

·         Linear

·         Exponential

·         abExponential

·         Logarithmic

·         Power

·         Inverse

·         Quadratic

·         Solve/Calc

·         Numeric integration

·         Numeric differentiation

·         ?()-function

Calculates with complex numbers:

·         a+bi /r??

Calculations on the basis of n:

·         Logical calculations

Equations:

·         Linear systems of equations

·         Polynomial equations

·         Linear systems of equations

·         Polynomial equations

Matrix:

·         Determinants

·         Inverse matrix

Vector:

·         internal product

·         external product

·         physical constants

·         metric conversion

Normal entry:

·         Fractions

·         Roots

·         Powers

·         Parentheses

·         Amounts

·         Numeric differentiation/integration

·         Totals

·         Non-natural input (such as the MS models)

·         Output in ? -form

·         Output in ?-form

·         Functions table


 

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DELIVERY

·         Delivery time to UK is approx.10-20 days.

·         Delivery to USA and Canada  is approx.15-25 days

·         Delivery time to Australia is approx. 30-35 days

·         The other countries take 30-40 days for delivery.

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·         Returns must be postmarked within 4 business days of authorization and must be in re-sellable condition.

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