Casio · Desktop calculators
Casio DF-120FM 12-Digit Desktop Calculator
The DF-120FM is a desktop calculator for everyday arithmetic and business calculations. Its 12-digit display, tax function, independent memory and grand total help with repeat calculations.
Useful features
At a glance12-digit display
12-digit display: provides the numeric capacity.
Solar and LR44 power
Solar and LR44 power: combines the solar cell with one backup battery.
Cost, sell and margin keys
Cost, sell and margin keys: perform the calculator's arithmetic functions.
Tax calculation
Tax calculation: uses a configured tax rate rather than a supplied business service.
Rounding selector
Rounding selector: offers F, CUT and 5/4 modes.
Decimal selector
Decimal selector: provides the fixed and ADD2 options.
Independent memory and grand total
Independent memory and grand total: supports repeated calculations.
Six-minute auto-off
Six-minute auto-off: is the approximate inactivity interval.
Metal faceplate
Metal faceplate: identifies the exterior material.
The useful features
- 12-digit display: provides the numeric capacity.
- Solar and LR44 power: combines the solar cell with one backup battery.
- Cost, sell and margin keys: perform the calculator's arithmetic functions.
- Tax calculation: uses a configured tax rate rather than a supplied business service.
- Rounding selector: offers F, CUT and 5/4 modes.
- Decimal selector: provides the fixed and ADD2 options.
- Independent memory and grand total: supports repeated calculations.
- Six-minute auto-off: is the approximate inactivity interval.
- Metal faceplate: identifies the exterior material.
The useful details
Know what
you’re getting.
The DF-120FM is a desktop calculator for everyday arithmetic and business calculations. Its 12-digit display, tax function, independent memory and grand total help with repeat calculations. Dedicated cost, sell and margin keys support those calculations directly.
Solar power works with an LR44 backup battery, and the unit switches off after about six minutes without a keypress. Rounding and decimal selectors control how results are displayed. Approximately three years of battery life at one hour of use per day; the supplied battery may need replacement sooner because of time in storage.
Set the intended tax rate before relying on the tax keys. The plastic-key keyboard includes rollover, while the metal faceplate describes the exterior construction. This is a self-contained calculator rather than connected accounting software, and it requires no computer account or mains adapter. Its 126 × 179 mm desk footprint and 30.9 mm height help assess placement.
Performs arithmetic, percentage, tax and cost/sell/margin calculations.
Checking totals and repeated calculations at home or in a small office.
Households, office staff and small-business users needing a desktop calculator.
Enter numbers and select a calculation using physical keys. Dedicated selectors control rounding and decimal display.
A closer look
Specifications.
The details that matter.
Specifications
Compatibility
Dedicated cost, sell and margin keys support those calculations directly. Approximately three years of battery life at one hour of use per day; the supplied battery may need replacement sooner because of time in storage.
App and setup
Set the tax rate before using tax calculations. Solar cell and LR44 battery provide power; no computer or mains adapter is required.
Wipe with a soft dry cloth. Avoid impacts, bending and disassembly. Casio directs battery replacement through an authorised dealer. Do not leave an exhausted battery installed. Battery replacement or low power may erase memory and tax-rate settings.
This is a self-contained calculator rather than connected accounting software, and it requires no computer account or mains adapter.
Solar cell and LR44 battery provide power; no computer or mains adapter is required. This is a self-contained calculator rather than connected accounting software, and it requires no computer account or mains adapter.
Approximately 180 g including battery.
30.9 × 126 × 179 mm (H × W × D).
Metal faceplate and plastic keys
Solar cell and one LR44 button battery.