Casio FX-890P User Manual

80
To create a new program from the MENU mode
1. Press the MENU key to enter in the main menu.
MENU
< MENU >
1:F.COM 2:BASIC 3:C 4:CASL
5:ASMBL 6:FX 7:MODE
2. Press the key 3 to enter in the C mode
.3.
< C >
F 0 1 2 3 4 5 6 7 8 9 51113B
F1>Run/Load/Source
Use the   cursor keys to select an empty program area among areas 0 - 9
Enter the editor typing the S key.
.S.
.
You can start writing the new program.
To enter an existing program from the interpreter
After executing a program, you may want to edit it to make modifications. Just enter
the EDIT command followed by . ..
Moving the cursor
You can control cursor movement using the cursor keys in the editor as follows:
.. Cursor moves up
.. Cursor moves down
 Cursor moves left
 Cursor moves right
Moving the cursor to the beginning of a line
Use the following operation to move the cursor to the beginning (left end) of the
current line while in the editor:
Shift L.TOP
Moving the cursor to the end of a line
Use the following operation to move the cursor to the end (right end) of the current
line while in the editor:
Shift L.END
Scrolling the screen
Press the .. cursor key while the cursor is at the top line of the display to scroll the
display downward.
Press the .. cursor key while the cursor is at the bottom line of the display to scroll
the display upward.

Casio FX-890P Specifications

General

Brand	Casio
Model	FX-890P
Category	Desktop
Language	English

Summary

Unit Configuration

Operational Functions

Details the primary keys and their functions, including power, shift, and numeric keys.

Keyboard Layout

Describes the arrangement of keys and how to access different functions.

Power and System Features

Power Supply and Battery Replacement

Provides instructions for replacing the calculator's batteries.

Fundamental Operation Modes

CAL Mode

Describes the primary calculation mode active upon power-on.

Formula Storage Function

Explains how to store and recall mathematical formulas for repeated calculations.

Programming Modes

Introduces BASIC, C, CASL, and Assembler modes for programming.

Calculation Functions

Manual Calculation Input and Correction

Guides on entering and correcting arithmetic and function calculations.

Scientific Calculations

BASIC Programming

Features of BASIC

Highlights the advantages and capabilities of the BASIC language.

BASIC Program Configuration

BASIC Program Input

Provides steps for entering and preparing BASIC programs.

BASIC Program Execution

Details how to run BASIC programs and handle execution errors.

BASIC Variables and Commands

Variables

Explains numeric, string, and array variables in BASIC.

BASIC Command Reference

A comprehensive reference for BASIC commands and functions.

BASIC Command Reference Details

Mathematical Functions

Reference for ABS, ACS, ANGLE, COS, SIN, SQR, TAN, etc.

BASIC String and Graphical Functions

C Programming Introduction

The Basics of C

Learning C with Pocket Computer

Guidance on using the pocket computer as a C learning tool.

Meet the Casio C Interpreter

Introduces the C interpreter and its operation compared to compilers.

C Program Input Procedures

C Interpreter and Editor Overview

Activating C Mode

Using the C Editor

Details on creating and editing C source code.

C Program Execution

Executing C Programs

Trace Function

C Programming Essentials

Outputting Characters

Variable Types and Operations

Covers C data types (char, int, float, double) and assignments.

Entering Characters and Values

Selection Statements

Explains the 'if' and 'if-else' statements for conditional logic.

C Control Flow and Functions

Using Loops

Details 'while', 'do-while', and 'for' loops for repetitive execution.

Defining Functions

Explains how to create and use custom functions in C.

C Constants, Variables, and Operators

Constants and Variables

Covers variable scope, types, and storage.

Local Variables and Global Variables

Pointers and Variable Storage Locations

Data Types and Lengths

C Operators and Command Reference

Operators

Lists and explains C operators and their precedence.

C Command Reference

Reference for C commands like RUN, EDIT, TRON, TROFF.

C Command Reference Details

Manual Commands

Fundamental Commands

String Functions

Reference for strcat, strchr, strcmp, strcpy, strlen.

Graphical Functions