need the brackets with the newer calculators. I have an older fx-85v my daughter has a newer fx-85ms which is very similar to the fx-300ms. to enter negative powers(exponents) just enter as is: 10 ^ -2 more...
E-37 Specifications Power Supply: fx-82MS: Single AA-size battery (R6P (SUM-3)) fx-83MS/fx-270MS/fx-350MS: Single G13 Type button battery (LR44) fx-85MS/fx-300MS: Solar cell and a single G13 Type button battery (LR44) Battery more...
replace the battery at least once every three years for the fx- 83MS/fx-85MS/fx-270MS/fx-300MS/fx-350MS, or at least once every two years for the fx-82MS. A more...