Features
About Ms.Shigehara -Calculator expert
Helpful features for fast and accurate work
Tips for fast typing
How to use calculator
Durable Anti-fade keys
28 keys, including numeric and arithmetic keys, are produced by injecting plastic of two different colors. The markings of the 28 keys are plastic, which means they do not wear or fade with use.
Key cross-section
Three-Key Rollover
Key operations are stored in a buffer, so that nothing is lost even during high-speed input.
* Excluding DS-140TVS/120TVS
Extra Large Display
Larger display makes more data easier to read.
JS-40B
Key Layout and Key Cap Shape
Keys are ergonomically shaped and configured to match natural finger movements.
Non-slip Structure
Large rubber feet on the bottom of the calculator keep it from slipping during operation.
JS-40B
Function Command Signs
A symbol (+,−,×,÷) on the display indicates the status of the operation you are currently performing.
Silent Touch Keys
Keys are specially designed for silent operation when compared to previous CASIO calculators to help maintain a more pleasant working environment.
Solar & Battery
Solar powered when light is sufficient, battery powered when light is insufficient.
Adjustable Tilt Display
The tilt display ensures ease of viewing.
JS-140TVS
* JS-140TVS/120TVS only.
A slim, flat body for excellent portability
This slim, flat calculator , just 10mm thick, rests comfortably in the hand fits easily in a bag or briefcase.