Casio fx-85W/85WA/300W/350TL Calculator User's Guide

About this manual

This manual serves as a comprehensive guide for users of the Casio fx-85W, fx-85WA, fx-300W, and fx-350TL calculator models. It details essential handling precautions, including battery safety and device care, alongside instructions on removing and replacing the cover.

The document covers a wide range of mathematical functions available on these devices, such as basic arithmetic, memory calculations, fraction operations, scientific functions (trigonometry, logarithms), statistical modes (SD and REG), and base-n calculations. It also includes troubleshooting information for error messages and technical specifications regarding power supply and input ranges.

What's inside

• Safety Precautions
• Handling Precautions
• Two-line Display
• Basic Calculations
• Memory Calculations
• Fraction Calculations
• Scientific Function Calculations
• Statistical Calculations
• Error Messages
• Specifications

Specifications

Frequently asked questions

How do I remove and replace the calculator's cover?

To remove, grasp the top of the cover and slide it out from the bottom. To replace, grasp the top and slide it in with the display end first.

What should I do if I plan to store the calculator for a long time?

You must remove the batteries to prevent leakage that could cause damage or malfunction.

How often should I replace the battery?

Even if operating normally, you should replace the battery at least once every three years.