Solar Energy Calculator
▸ Model: 837ES
▸ Power supply mode: solar + battery dual power supply
▸ Display configuration: 12-bit LCD display
▸ Function support: basic financial function operation
▸ Structural design: portable and thin body
▸ Power supply mode: solar + battery dual power supply
▸ Display configuration: 12-bit LCD display
▸ Function support: basic financial function operation
▸ Structural design: portable and thin body
Write Your Own Review