EasyManuals Logo

Casio fx-991ES PLUS User Manual

Casio fx-991ES PLUS
84 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #38 background imageLoading...
Page #38 background image
Using CALC
CALC lets you save calculation expressions that contain variables, which
you can then recall and execute in the COMP Mode and the CMPLX
Mode.
The following describes the types of expressions you can save with CALC.
Expressions: 2X + 3Y, 2AX + 3BX + C, A + Bi
Multi-statements: X + Y : X(X + Y)
Equations with a single variable on the left and an expression including
variables on the right: A = B + C, Y = X
2
+ X + 3
(Use (=) to input the equals sign of the equality.)
To start a CALC operation after inputting an expression, press the
key.
Example 1: To store 3A + B and then substitute the following values to
perform the calculation: (A, B) = (5, 10), (7, 20)
3 (A) (B)
(1) Prompts for input of a value for A
(2) Current value of A
5 10
(or )
7 20
To exit CALC:
Example 2: To store A+Bi and then determine √3 + i, 1 + √3i using polar
coordinates (rθ) (Angle Unit: Deg)
37

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Casio fx-991ES PLUS and is the answer not in the manual?

Casio fx-991ES PLUS Specifications

General IconGeneral
TypeScientific
CoverNo
Form factorDesktop
Control typeButtons
Product colorGray
Digits15 digits
Display typeDot-matrix
Display resolution96 x 31 pixels
Display number of lines10 lines
Storage media typeNot available
Battery life3 year(s)
Battery typeLR44
Power sourceBattery/Solar
Number of batteries supported1
Symbolic notationSquare root
Conversion betweenDecimal, Fraction, Percent
Convert angles from degrees toGradian, Radian
Random number/integer generatorYes
Weight and Dimensions IconWeight and Dimensions
Depth162 mm
Width80 mm
Height11.1 mm
Weight95 g

Related product manuals