Sharp ELSI MATE EL-8130A Instruction Manual page 64

calculation.
Components:
LSI etc.
Display:
Liquid crystal (FEM type)
Power supply:
D.C.:
3V, Silver-oxide battery
(type G-10) x 2
Operating time:
Silver-oxide
battery:
Approx.
400 hours
of
s e n t e n c e s tsb i aes Honcho Esc an RNR