Citizen CT-555 User Manual - Free PDF Download

Page 3 - Electronic Calculator Features and Key Identification Chart

Features include battery/solar power, 12-digit display, algebraic mode, and tax calculation. A key identification chart explains the purpose of buttons for memory, correction, and tax functions.

Page 4 - Desktop Calculator Operational Features and Symbols

Features include solar/battery power, 12-digit LCD display, algebraic mode, automatic shut-off, two-key transfer function, tax calculation, and 120-step revision and correction. Key symbols for functions like ON/AC, memory, and square root are explained.

Page 5 - Desktop Calculator Specifications and Function Reference

Features include a 12-digit liquid crystal display, algebraic mode, automatic shutdown, two-touch roll-over function, tax calculation, and verification. A key reference details functions for buttons like ON/AC, memory operations, square root, and others.

Page 6 - Solar Desktop Calculator Functions and Correction

Features include a 12-digit liquid crystal display, algebraic mode, auto-power-off, two-key roll-up function, tax calculation, and 120 check-and-correction functions. A legend explains the purpose of buttons for power, memory, square root, and verification.

Page 7 - Calculator Functions in Multiple Languages

Functions such as tax calculation, algebra mode, and automatic shut-off are described along with explanations of calculator buttons and display symbols in multiple languages.

Page 8 - Table Calculator Specifications and Key Functions

Specifications include battery and solar power operation, a 12-digit LCD screen, algebraic mode, automatic power-off, two-button roll-over, tax calculation, and 120 verification and correction functions. Button purposes for power, memory, square root, and calculation verification are explained.

Page 9 - Calculator Characteristics and Key Functions

Characteristics include solar/battery operation, a 12-digit display, algebraic logic, automatic power-off, and tax calculation functions. The purpose of various buttons for power, memory, and tax-related keys is explained.

Page 10 - Advanced Calculation Modes and Memory Features

Functions include solar power capability, 12-digit display, dual-mode operation, automatic power-off, dual-key conversion, tax calculation, and 120-step memory calculation.

Page 11 - Multilingual Feature Listing for Calculator Functions

Features such as 12-digit display, algebra mode, auto-power-off, and tax calculation functions are listed in multiple languages.

Page 12 - Key and Function Reference Guide

Details the meaning of each button and its function in multiple languages. Includes instructions for memory functions, square root, tax calculations, and technical specifications regarding power, display, and operations.

Page 13 - Calculator Button Functions and Error Indicators

Functions include power, memory operations, square root, percentage, tax calculations, and error indicators. A multilingual note indicates the manual's multilingual nature.

Page 14 - Financial Calculator Features and Symbol Legend

Features include a 12-digit display, tax calculations, and algebraic input. A key symbol legend details the purpose of buttons like ON/AC, CE/C, M+, and tax-related keys.

Page 15 - Desktop Calculator Features and Function Keys

Features include battery and solar power, a 12-digit LCD display, algebraic logic, auto-power-off, tax calculation, and error correction. A legend explains function keys such as ON/AC, memory functions, square root, and percentage.

Page 16 - Tax Calculation Modes and Labels

Explains terms like sum with tax, sum without tax, and tax rate, and provides labels for calculator functions such as ON/C, CE/C, M+, M-, MRC, MU, and M, along with tax calculation modes.

Page 17 - Battery Replacement Procedure

Instructions detail changing the battery, specifying the required battery type and solar cell for long-term use, including steps for removal and insertion with correct polarity in multiple languages.

Page 18 - Operational Examples and Memory Replay

Provides operational examples, battery replacement procedures, details on the 120-step replay memory function, and notes on handling mis-inputs and display indications across multiple languages.

Page 19 - Memory Functionality and Limits

Explains the memory function for reviewing the last 120 calculations. Details that exceeding 120 steps results in a '120' display, preventing storage of excess steps, presented in multiple languages.

Page 20 - Calculation Step Limitation and Memory Overflow

Details the limitation of 120 calculation steps. When this limit is reached, the display shows '120', allowing continuation but preventing storage of excess steps, noting memory overflow in multiple languages.

Page 21 - Error Handling and Review Procedures

Explains how to handle more than 120 entered values by detailing a review function to check and correct entries. Includes a multilingual section titled 'Check & Correct' with key operation definitions.

Page 22 - Multi-step Calculation Demonstration

Illustrates the step-by-step operation of multi-step calculations, showing required key presses and corresponding screen displays for operations like (100+200-50)x3=750 in multiple languages.

Page 23 - Memory Operations Demonstration

Demonstrates memory functions including M+, MR, and M-, showing how to store, recall, and check memory values with results displayed for each step.

Page 24 - Error Correction and Overflow Handling

Provides multilingual instructions and examples demonstrating how to correct errors and handle overflow situations through various key operations and display responses.

Page 25 - Basic Arithmetic Operation Examples

Provides multilingual examples of basic calculator operations: addition, subtraction, multiplication, and division, along with corresponding numerical results.

Page 26 - Advanced Mathematical Operations

Presents mathematical operations for basic arithmetic, percentages, and power/reciprocal calculations, including relevant examples and formulas in multiple languages.

Page 27 - Memory Calculation and Tax Functions

Details calculator functions for memory calculation, square root, and tax calculation, showing multilingual labels and corresponding key operations, including examples for using memory keys (M+, M-, MR, MC) and tax rate adjustments.

Page 28 - Calculating Tax Procedures

Provides instructions for calculating tax at an 8% rate, showing how to set the tax rate, compute tax on a cost, and adjust the cost by adding or subtracting tax through button presses and display results in multiple languages.