CASTI-89 TITANIUM · CALC89
▶Sphere
Displays a three element vector in spherical form, with length and two angles.
Syntax
Vector▶Sphere
- Group
- Conversions
- Arguments
- Placed after a vector and takes no arguments.
- Availability
- Pro feature in Calc89
- Menu path
- MATH ▸ Matrix ▸ CAS ▸ ▶Sphere
Example
| Input | Result |
|---|---|
| [1,2,3]▶Sphere | [[√(14),∠tan⁻¹(2),∠tan⁻¹(√(5)/3)]] |
Typing [1,2,3]▶Sphere on the home screen and pressing ENTER returns [[√(14),∠tan⁻¹(2),∠tan⁻¹(√(5)/3)]].
Keystrokes on the TI-89 Titanium
2NDMATH4▶×3▼×25ENTER
The same key sequence inserts ▶Sphere in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- ▶approxFraction(Converts a decimal value into a fraction that approximates it within a tolerance.
- ▶cosRewrites an expression in terms of cosine, for example sin(x)^2 as 1−cos(x)^2.
- ▶CylindDisplays a three element vector in cylindrical form, with radius, angle and height.
- ▶DDConverts an angle to decimal degrees.
- ▶DecimalDisplays a result as a decimal number instead of an exact value.
- ▶DMSDisplays an angle in degrees, minutes and seconds.
- ▶expRewrites an expression in terms of the natural exponential ℯ^x, for example hyperbolic functions.
- ▶GradConverts an angle to gradians.