# Before getting started, Two-line display, K modes – Casio FX-820MS User Manual

## Page 9

E-7

**The two-line display makes it possible to viewboth the calculation formula and its result atthe same time.**

• The upper line shows the calculation formula.

• The lower line shows the result.

A separator symbol is displayed every three digits when

the integer part of the mantissa has more than three dig-

its.

**Before getting started...**

k **Modes**

Before starting a calculation, you must first enter the cor-

rect mode as indicated in the table below.

**To perform this type of**

**Perform this**

**To enter**

**calculation:**

**key operation: this mode:**

Basic arithmetic calculations

F

1

COMP

Standard deviation

F

2

SD

Regression calculations

F

3

REG

• Pressing the

F

key more than once displays additional

setup screens. Setup screens are described in the sec-

tions of this manual where they are actually used to

change the calculator setup.

• In this manual, the name of the mode you need to enter

in order to perform the calculations being described is

indicated in the main title of each section.

**Example:**

**Two-line Display**

**SD**

**REG**

**StatisticalCalculations**