Texas Instruments TI Programmable 57 Manual page 17

SECTION 1: BASIC
KEYS AND FUNCTIONS
[0 ]-(9 | (+ | [+4] - Dara Ewray Kevs
C+ (=) (6) 2] anv [=] - Basic Oreration Keys
Example: Calculate 15 + 7X31 —4=?
Press Disptay/CoMMENTS
187476031
Ei4e) 228.