TI-81
E565828
The TI-81 is one of Texas Instruments' early graphing calculators, widely used in education for algebra and basic graphing tasks.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | graphing calculator ⓘ |
| brand | Texas Instruments NERFINISHED ⓘ |
| hasBackupBattery | CR1616 or CR1620 coin cell ⓘ |
| hasConnectivity | link port ⓘ |
| hasDisplayColor | black and white ⓘ |
| hasDisplayType | monochrome LCD ⓘ |
| hasFeature |
alphanumeric keyboard
ⓘ
graphing of functions ⓘ matrix operations ⓘ parametric graphing ⓘ polar graphing ⓘ programmable functions ⓘ statistical calculations ⓘ table of values ⓘ |
| hasFormFactor | handheld ⓘ |
| hasInputMethod | keypad ⓘ |
| hasKeyLayout | Z80-era TI graphing layout ⓘ |
| hasProgrammingLanguage | TI-BASIC variant ⓘ |
| hasSuccessor |
TI-82
NERFINISHED
ⓘ
TI-83 NERFINISHED ⓘ |
| intendedUse |
algebra instruction
ⓘ
basic graphing tasks ⓘ education ⓘ |
| introducedInDecade | 1990s ⓘ |
| isPortable | yes ⓘ |
| manufacturer | Texas Instruments NERFINISHED ⓘ |
| marketRegion |
United States
NERFINISHED
ⓘ
international ⓘ |
| powerSource | AAA batteries ⓘ |
| predecessorOf |
TI-82
NERFINISHED
ⓘ
TI-83 NERFINISHED ⓘ |
| productLine | TI graphing calculators NERFINISHED ⓘ |
| supportsDataTransfer |
calculator-to-calculator link
ⓘ
data transfer ⓘ program transfer ⓘ |
| supportsMode |
degree angle mode
ⓘ
gradian angle mode ⓘ radian angle mode ⓘ |
| supportsOperation |
complex number arithmetic
ⓘ
exponential functions ⓘ logarithmic functions ⓘ polynomial evaluation ⓘ systems of equations ⓘ trigonometric functions ⓘ |
| supportsProgramming | yes ⓘ |
| targetEducationLevel |
high school
ⓘ
middle school ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.