AKA: Mathematician PR, Product number (P/N): 4515,
Keywords/Tags: 4515 | Mathematician PR | U621
Date of intro: 1975, Origin: Malaysia (List), Dimensions: 152x76x28mm,
Power: Rechargeable,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 36, #Key-Black: 4, #Key-Blue: 4, #Key-Grey: 14, #Key-Red: 1, #Key-White: 12, #Key-Yellow: 1,
Keyboard Array (Rows x Columns): 08x05,
Miscellaneous switch: [Load-Step-Run],
Classification: / Pocket / RPN (Reverse Polish Notation),
Featuring: Scientific functions, Square root, PI, Programmable, Memories: 1, Programmable Steps: 102,
Related with:
(Docu_Mags): 197601: ELECTRONICS TODAY INTERNATIONAL
(Docu_Articles): 197510: Scientific calculators,
Original Equipment Manufacturer : NOVUS: 4515 (version-1) (List of all Export-OEM-models from NOVUS), Resemblance with: NOVUS: 4515 (version-2); PHILIPS: P35P,
Known Serial-numbers: 1026585 (List of all S/Ns from NOVUS)
Collector value: 8/10,
Info: Numbers printed on keys
Internet: Link-1: THIMET, Link-2: R/S Programmable Calculators, Link-3: WASSERMAN Katie