The G Command

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Command Summary

Converts an angle to gradians, if necessary.

Command Syntax

angle ^G

Menu Location

• Press 2nd MATH to enter the MATH popup menu.
• Press 2 to enter the Angle submenu.
• Press C to select ^G.

Calculator Compatibility

This command requires a TI-89 Titanium or Voyage 200 calculator with AMS version 3.10 or higher.

Token Size

1 byte

NOTE: Due to the limitations of the wiki markup language, the ^G command on this page does not appear as it would on the calculator. See Wiki Markup Limitations for more information.

The ^G symbol used after an angle makes sure the angle is interpreted as being in gradians (an obscure angle measure in which a full circle is equal to 400 gradians); this functionality is present only on TI-89 Titanium or Voyage 200 calculators with AMS version 3.10. If the calculator is already in gradian mode, x^G is equal to x; in degree mode, x^G is equal to 9*x/10; and in radian mode, x^G is equal to π*x/200.

If you're using gradian angle measures extensively in a program, it's a better idea to use setMode() to switch to gradian mode and not worry about this. However, there are two reasons you might want to use ^G:

• If you need an angle in gradians only once or twice, don't bother changing the mode setting.
• In a function, you're forced to use ^G, since setMode() isn't valid in a function.

In gradian mode (no conversion is necessary, so no conversion is done):

:cos(100)
           1
:cos(100^G)
           1
:100^G
           100

In degree mode:

:cos(100)
           cos(100)
:cos(100^G)
           1
:100^G
           90

Related Commands

• ° (degree)
• ^r (radian)
• ▶Grad