Texas Instruments ti-30xs User Manual

2nd functions

%
Most keys can perform two functions. The primary function is

indicated on the key and the secondary function is displayed

above it. Press % to activate the secondary function of a

given key. Notice that 2nd appears as an indicator on the

screen. To cancel it before entering data, press % again.

For example, % b 25 < calculates the square root of

25 and returns the result, 5.

Modes

p
Use pto choose modes. Press $ # ! " to choose a

mode, and < to select it. Press - or %Q to

return to the Home screen and perform your work using the

chosen mode settings.
Default mode settings are shown highlighted.

DEG RAD GRAD Sets the angle mode to degrees,

radians, or gradians.
NORM SCI ENG Sets the numeric notation mode. Numeric

notation modes affect only the display of results, and not the

accuracy of the values stored in the unit, which remain

maximal.

NORM displays results with digits to the left and right of the

decimal, as in 123456.78.
SCI expresses numbers with one digit to the left of the

decimal and the appropriate power of 10, as in

1.2345678Ã10

(which is the same as 123456.78).

¹ ¸

An entry or menu displays beyond

16 digits. Press ! or " to scroll.