## fx-82MS

fx-85MS

fx-220 PLUS

fx-300MS

fx-350MS

(2nd edition / S-V.P.A.M.)

## Before Using the Calculator

## Calculation Modes and Calculator Setup

## Basic Calculations

- ▶Inputting Expression and Values
- ▶Arithmetic Calculations
- ▶Fraction Calculations
- ▶Percent Calculations
- ▶Degree, Minute, Second (Sexagesimal) Calculations
- ▶Multi-Statements (fx-82MS/fx-85MS/fx-300MS/fx-350MS only)
- ▶Using Engineering Notation
- ▶Calculation History and Replay
- ▶Using Memory Functions

## Function Calculations

- ▶Pi (π), Natural Logarithm Base e
- ▶Trigonometric Functions, Inverse Trigonometric Functions
- ▶Hyperbolic Functions, Inverse Hyperbolic Functions
- ▶Angle Unit Conversion
- ▶Exponential Functions, Logarithmic Functions
- ▶Power Functions and Power Root Functions
- ▶Rectangular-Polar Coordinate Conversion
- ▶Factorial (!)
- ▶Random Number (Ran#)
- ▶Random Integer (RanInt#) (fx-220 PLUS only)
- ▶Permutation (nPr) and Combination (nCr)
- ▶Rounding function (Rnd)

## Using Calculation Modes

## Technical Information

**Precautions**

Be sure to read the following safety precautions before using the calculator.

**Safety Precautions**

**Battery**

Keep batteries out of the reach of small children.

Use only the type of battery specified for this calculator in this manual.

**Handling Precautions**

Even if the calculator is operating normally, replace the battery according to the schedule shown below. Continued use after the specified number of years may result in abnormal operation. Replace the battery immediately after display figures become dim.

fx-82MS/fx-220 PLUS: Every two years

fx-85MS/fx-300MS/fx-350MS: Every three years

A dead battery can leak, causing damage to and malfunction of the calculator. Never leave a dead battery in the calculator.

**The battery that comes with the calculator is for factory testing, and it discharges slightly during shipment and storage. Because of these reasons, its battery life may be shorter than normal.**

Do not use a nickel-based primary battery with this product. Incompatibility between such batteries and product specifications can result in shorter battery life and product malfunction.

Avoid use and storage of the calculator in areas subjected to temperature extremes, and large amounts of humidity and dust.

Do not subject the calculator to excessive impact, pressure, or bending.

Never try to take the calculator apart.

Use a soft, dry cloth to clean the exterior of the calculator.

Whenever discarding the calculator or batteries, be sure to do so in accordance with the laws and regulations in your particular area.