Modes and settings

6.1Open the SETUP menu#

Press SHIFTSETUPMENU to open SETUP. Choose a line with its number. After choosing a value, the calculator returns to the previous screen.

Example 6.1

See the SETUP list

1. SHIFT MENU.

   SHIFTSETUPMENU

6.2Choose natural or line display#

Input/Output has two parts. The first word is how you type: Math (templates for fractions and roots) or Line (one line, brackets instead of boxes). The second word is how answers show: Math (exact fractions and roots) or Decimal (always decimals).

Example 6.2

Decimal answers

1. SETUP, 1, 2 (MathI/DecimalO).

   SHIFTSETUPMENU12

2. Type 1/3.

   1/3▶=

Example 6.3

Line entry

1. SETUP, 1, 3 (LineI/LineO).

   SHIFTSETUPMENU13

2. Type √8; the key opens a bracket.

   √8=

6.3Set degrees, radians or gradians#

The angle unit controls sin, cos, tan and their inverses, plus Pol( and Rec(. The default is Degree. A 90° angle is 100 gradians or π/2 radians.

Example 6.4

Radians

1. SETUP, 2, 2.

   SHIFTSETUPMENU22

2. sin π is 0 in radians.

   sinSHIFTπ×10ˣ=

Example 6.5

Gradians

1. SETUP, 2, 3.

   SHIFTSETUPMENU23

2. sin 50 grad is √2/2.

   sin50=

6.4Fix, Sci and Norm#

Fix shows a set number of decimal places. Sci shows a set number of significant digits in scientific notation. Norm 1 and Norm 2 switch to scientific notation for very large or small numbers (Norm 1 earlier than Norm 2). Fix and Sci round only the decimal form; an exact fraction is kept until you press S⇔D.

Example 6.6

Fix 2

1. SETUP, 3 (Number Format), 1 (Fix), 2.

   SHIFTSETUPMENU312

2. 1 ÷ 3, then S⇔D.

   1÷3=S⇔D

Example 6.7

Sci 3

1. SETUP, 3, 2 (Sci), 3.

   SHIFTSETUPMENU323

2. Calculate 12345.

   12345=

Example 6.8

Norm 2

1. SETUP, 3, 3 (Norm), 2.

   SHIFTSETUPMENU332

2. 1 ÷ 1000, S⇔D.

   1÷1000=S⇔D

6.5Mixed or improper fractions#

Fraction Result chooses how answers larger than 1 are written: ab/c (mixed, 3 1/2) or d/c (improper, 7/2, the default).

Example 6.9

Mixed fraction answers

1. SETUP, 4, 1 (ab/c).

   SHIFTSETUPMENU41

2. Type 7/2.

   7/2▶=

6.6Rectangular or polar complex results#

Complex chooses how complex answers in the Complex app are shown: a+bi (rectangular) or r∠θ (polar). See the Complex numbers chapter.

See also Complex numbers: Convert to polar form

6.7Turn the statistics frequency column on or off#

With Frequency On the statistics editor gets a Freq column, so you can enter a repeated value once with a count. See the Statistics chapter.

See also Statistics and regression: Use a frequency column

6.8Reset settings to the defaults#

Press SHIFTRESET9 to open the reset menu. Choose 1 to restore the SETUP settings, 2 to clear all variables and Ans, or 3 to initialize everything including history.

Example 6.10

Open the reset menu

1. SHIFT 9.

   SHIFTRESET9