fx-83GT CW I fx-85GT CW
Before Using the Calculator
- ▶Read This First
- ▶Initializing the Calculator
- ▶Calculator "Get Started" Screen
- ▶Precautions
- ▶Getting Started
Calculator Apps and Menus
Inputting Expressions and Values
- ▶Basic Input Rules
- ▶Inputting an Expression Using Natural Textbook Format (MathI/MathO or MathI/DecimalO Only)
- ▶Overwrite Input Mode (LineI/LineO or LineI/DecimalO Only)
Basic Calculations
- ▶Arithmetic Calculations
- ▶Fraction Calculations
- ▶Powers, Power Roots, and Reciprocals
- ▶Pi, Natural Logarithm Base e
- ▶Calculation History and Replay
- ▶Using Memory Functions
Changing Calculation Result Format
- ▶Using the FORMAT Menu
- ▶Standard and Decimal Conversion
- ▶Prime Factorization
- ▶Recurring Decimal Conversion (Recurring Decimal Calculations)
- ▶Improper Fraction and Mixed Fraction Conversion
- ▶Engineering Notation
- ▶Sexagesimal Conversion (Degree, Minute, Second Calculations)
Advanced Calculations
- ▶Function Analysis
- ▶Probability
- ▶Numeric Calculations
- ▶Angle Unit, Polar/Rectangular Coordinate, Sexagesimal
- ▶Hyperbolic, Trigonometric
- ▶Others
Registering and Using Defining Equations for f(x) and g(x)
Using QR Code Functions
Using Calculator Apps
Technical Information
- ▶Errors
- ▶Before Assuming Malfunction of the Calculator...
- ▶Replacing the Battery
- ▶Calculation Priority Sequence
- ▶Calculation Ranges, Number of Digits, and Precision
- ▶Specifications
Frequently Asked Questions
Calculation History and Replay
Calculation History
An and/or
at the top of the screen indicates more calculation history content above and/or below. You can scroll through calculation history contents using
and
.
Calculation history can be used only in the Calculate app.
Example
2 + 2 = 4
- 2
2
3 + 3 = 6
- 3
3
(Scrolls back.)
Note
Calculation history data is all cleared whenever you press or
, when you change the Input/Output setting, or whenever you perform a Reset operation ("Settings & Data" or "Initialize All").
Replay
While a calculation result is on the display, you can press ,
or
to edit the expression you used for the previous calculation.
Example
4 × 3 + 2 = 14
- 4
3
2
4 × 3 - 7 = 5
- (Continuing)
7
Note
If (left) or
(right) is displayed on either end or both ends of a calculation result line, you can use
and
to scroll the line left and right. If this happens, press
or
first, and then use
and
to edit the expression.